2026-08-07 9 min

Rent vs. Buy Calculator

Compare the total financial cost of renting versus buying a home over any period. See the break-even year, average monthly costs, home equity, the renter's invested portfolio, and a detailed year-by-year comparison.

Calculator

Rent Inputs

Monthly Rent

Monthly Renter's Insurance

Annual Rent Increase

Security Deposit

Buy Inputs

Home Price

Down Payment

Interest Rate

Loan Term

yrs

Closing Costs

Monthly Home Insurance

Monthly Property Tax

Monthly HOA

Monthly Maintenance ?$250.00 (1%/yr)

Annual Appreciation

Marginal Tax Rate

Common Inputs

Investment Return Rate

Number of Years to Compare

yrs

Inflation Rate

Summary:Upfront Buy: $69,000.00 (down $60,000.00 + closing $9,000.00)Buying cheaper from year 8.1

Rent vs. Buy Comparison Results

Buying is cheaper if you stay for 8.1 years or longer. Otherwise, renting is cheaper.

Avg Monthly Cost (Rent)

$751.59

over 10 years

Avg Monthly Cost (Buy)

$672.06

over 10 years

Total Net Cost (Rent)

$90,191.25

Total Net Cost (Buy)

$80,647.13

At year 10:

Home value: $403,174.91

Remaining mortgage: $203,462.70

Home equity: $199,712.21

Renter's portfolio value: $187,129.53

Total interest paid: $145,498.29

Total tax savings: $42,944.41

Average Monthly Cost Comparison

Buy Rent

Year-by-Year Comparison

Year	Home Value	Equity	Rent (Annual)	Buy (Annual)	Net Rent Cost	Net Buy Cost	Avg Monthly Rent	Avg Monthly Buy
1	$309,000.00	$71,682.54	$18,180.00	$24,803.56	$7,416.44	$17,640.76	$618.04	$1,470.06
2	$318,270.00	$83,814.74	$18,723.60	$24,935.56	$15,142.27	$25,996.79	$630.93	$1,083.20
3	$327,818.10	$96,416.72	$19,283.47	$25,070.20	$23,193.33	$34,053.34	$644.26	$945.93
4	$337,652.64	$109,509.67	$19,860.10	$25,207.53	$31,586.38	$41,794.91	$658.05	$870.73
5	$347,782.22	$123,115.88	$20,454.00	$25,347.61	$40,339.12	$49,205.12	$672.32	$820.09
6	$358,215.69	$137,258.81	$21,065.67	$25,490.49	$49,470.24	$56,266.71	$687.09	$781.48
7	$368,962.16	$151,963.17	$21,695.65	$25,636.23	$58,999.51	$62,961.47	$702.38	$749.54
8	$380,031.02	$167,255.00	$22,344.49	$25,784.88	$68,947.83	$69,270.16	$718.21	$721.56
9	$391,431.96	$183,161.71	$23,012.76	$25,936.51	$79,337.30	$75,172.52	$734.60	$696.04
10	$403,174.91	$199,712.21	$23,701.03	$26,091.17	$90,191.25	$80,647.13	$751.59	$672.06

Results

Normal

Break-Even Year

Year 8.1

Buying is cheaper if you stay 8.1 years or longer

Avg Monthly Cost (Buy)

$672.06

Net buy cost per month averaged over 10 years

Avg Monthly Cost (Rent)

$751.59

Net rent cost per month averaged over 10 years

Total Net Cost (Buy)

$80,647.13

Cumulative buy outlay minus equity and tax savings

Total Net Cost (Rent)

$90,191.25

Cumulative rent paid minus the renter's portfolio growth

Home Value at Year End

$403,174.91

Projected value at 10 years of appreciation

Home Equity

$199,712.21

Home value minus the remaining mortgage balance

Renter's Portfolio

$187,129.53

Invested savings plus surplus from cheaper rent years

Estimates assume constant appreciation, rent growth, and investment returns over the whole window, a fixed-rate U.S. mortgage, and no selling costs inside the comparison period.

Visualizations

Total Net Cost After All Years

Net Buy Cost47%

Net Rent Cost53%

Average Monthly Rent Cost by Year

Buy vs Rent Average Monthly Cost

Rent752

Formula

Each year the engine accumulates every dollar the renter and the buyer spend, then subtracts the wealth each path built. For the buyer that is home equity plus tax savings; for the renter it is the growth of the invested portfolio that starts with the unspent down payment and closing costs. The break-even year is when the buyer's net cost line crosses below the renter's.

Net Buy = Outlay − Equity − TaxSavings; Net Rent = RentPaid − PortfolioGrowth

Alternative Form

Break-even year = first year where Net Buy ≤ Net Rent

Variables

Symbol	Name	Unit	Description
PMT	Monthly principal and interest	USD	Annuity payment on the loan at the annual rate
Down	Down payment	USD	Upfront share of the purchase price
CC	Closing costs	USD	One-time purchase fees, typically 2-5% of price
App	Appreciation rate	% per year	Growth of the home's market value
r	Investment return	% per year	Return the renter earns on invested savings
Tax	Tax savings	USD	Interest and property tax deductions at the marginal rate

Explanation

Buying almost always looks more expensive in the early years because of the down payment, closing costs, and front-loaded mortgage interest. Renting looks cheaper at first because the renter's portfolio is growing. The crossover happens when accumulated equity plus tax savings outgrows the renter's invested portfolio plus the rent already paid.

Derivation

Each year a: buyer outlay grows with inflation while the principal-and-interest payment stays fixed; the home value grows by (1 + App)^a and the balance falls as principal is paid; equity = value − balance. The renter's portfolio grows by (1 + r) and absorbs the surplus of buy outlay over rent. Net costs accumulate over the window and the first year with Net Buy ≤ Net Rent is the break-even year.

Step-by-Step Calculation

Follow each step to understand how the result is calculated from your inputs.

Step 1

Set up the renter's starting cash position.

Upfront Rent Capital = Security Deposit

Security Deposit:$1,500.00

Intermediate: The deposit of $1,500.00 is not a cost — it stays invested

Result: Renter starts with $1,500.00 plus savings from the buy side

Step 2

Work out the buyer's upfront capital: down payment plus closing costs.

Upfront Buy = Down Payment + Closing Costs

Down Payment:$60,000.00

Closing Costs:$9,000.00

Intermediate: Upfront buy = $60,000.00 + $9,000.00

Result: Buyer commits $69,000.00 up front

Step 3

Compute the fixed monthly principal and interest payment with the annuity formula.

PMT = P × i / (1 − (1 + i)^−n)

Loan Amount:$240,000.00

Rate:6.50%

Term:30 years

Intermediate: Annuity payment on $240,000.00 at 6.50%

Result: First-year buy outlay = $24,803.56 per year including taxes, insurance, HOA, and maintenance

Step 4

Grow each path year by year: rents rise, operating costs inflate, and the home appreciates.

Rentₐ = Rent₁ × (1 + inc)^(a−1); Homeₐ = Price × (1 + app)^a

Rent Increase:3.00%

Appreciation:3.00%

Inflation:2.00%

Intermediate: Year 10 rent = $23,701.03; year 10 home value = $403,174.91

Result: Home value reaches $403,174.91 with $199,712.21 of equity

Step 5

Grow the renter's portfolio: invest the unspent down payment, closing costs, and each year's surplus.

Portfolioₐ = (Portfolioₐ₋₁ + Surplus) × (1 + r)

Investment Return:6.00%

Start:$69,000.00

Intermediate: Portfolio compounds at 6.00% each year

Result: Renter's portfolio = $187,129.53 at year 10

Step 6

Subtract the wealth each path built from its cumulative outlay to get the true net cost.

Net Buy = Outlay − Equity − TaxSavings; Net Rent = RentPaid − PortfolioGrowth

Net Buy:$80,647.13

Net Rent:$90,191.25

Intermediate: Net buy = $323,303.75 − $199,712.21 − $42,944.41

Result: Net buy $80,647.13 vs net rent $90,191.25

Step 7

Find the year the buying line crosses below the renting line.

Break-even = first year where Net Buy ≤ Net Rent

Difference at Year End:-$9,544.11

Years Compared:10

Intermediate: The gap narrows each year the home appreciates and the rent increases

Result: Buying is cheaper from year 8.1 if you stay that long

Final Answer

Year 8.1

Worked Examples

See how the calculator works with different scenarios.

Scenario

Rent of $1,500/month vs a $300,000 home with 20% down at 6.5% over 30 years, with 3% appreciation, 3% rent increases, and a 6% investment return.

Inputs

Rent:$1,500/month

Home Price:$300,000

Down Payment:20% ($60,000)

Rate:6.5%

Term:30 years

Horizon:10 years

Calculation

Loan = 300000 − 60000 = $240,000 PMT = 240000 × 0.005417 / (1 − 1.005417^−360) = $1,516.96 Buy outlay ≈ 1,517 + 100 + 200 + 250 maintenance = $2,067/month

Result

Buying becomes cheaper around year 5-6 in this typical scenario, with roughly $200K of equity at year 10

Interpretation

The crossover is driven by rent inflation against a fixed mortgage payment. Even with the renter earning 6% on the unspent down payment, the buyer's equity plus tax savings overtakes the portfolio in the middle of the decade.

Understanding Your Result

Your Result: Break-Even Year: Year 8.1

Typical range: For typical U.S. inputs (3-5% appreciation, 5-7% investment returns, rent inflation near 3%), the break-even year usually falls between 4 and 8 years. Below 5 years buying is generally attractive; beyond 10 years renting usually wins.

What This Means

The primary result is the break-even year — how long you must stay for buying to become cheaper than renting — followed by the average monthly net costs of each path and the wealth each builds at the end of the window.

Why It Matters

This is one of the largest financial decisions most people make, and the answer depends almost entirely on two unknowable numbers: future appreciation and investment returns. The tool makes those assumptions explicit so you can see exactly which assumption tips the decision.

Professional Interpretation

Financial planners frame the decision as a comparison of opportunity costs, not cash flows. The buyer's true cost is the money tied up in equity that could have been invested; the renter's true cost is the rent that builds nothing. This calculator computes exactly that trade-off and makes the growth assumptions visible and adjustable.

The equity multiplier

Each mortgage payment pays down principal and the home appreciates on the full value, so equity compounds faster in later years. This is why the buy line bends downward over time while the rent line keeps rising.

The portfolio offset

The renter's portfolio starts with the down payment and closing costs, then earns the surplus of buy outlay over rent each year. At 8%+ returns this offset alone can keep renting ahead for a decade or more.

Recommendations

•If your break-even year is under 5, buying is usually worth the commitment
•Re-run the comparison with your planned stay in mind, not a hypothetical 30-year horizon
•Test a 1% lower appreciation and a 1% higher investment return — if the answer flips, the decision is too close to make confidently
•Add PMI and real maintenance history to the buy side before trusting the result
•Remember the 5-6% selling cost — subtract it from equity if you plan to move
•Pair this with the House Affordability Calculator to confirm you can actually make the payments

Educational Content

Introduction

The Rent vs. Buy Calculator compares two ways to house yourself: rent and invest the difference, or buy and build equity. It tracks every dollar both paths spend and every dollar both paths grow, then reports the crossover year — the point where owning becomes cheaper than renting.

Concept Explanation

Both paths start with the same cash position. The buyer spends the down payment and closing costs up front, then pays mortgage, taxes, insurance, HOA, and maintenance while the home appreciates and equity builds. The renter keeps that money, pays a rent that increases every year, and invests the unspent capital and the monthly surplus. The break-even year is when the buyer's accumulated net cost falls below the renter's.

Applications

▸Deciding whether a job move makes renting or buying the better bet

▸Comparing a small down payment versus a 20% down payment path

▸Estimating how long you must stay for a purchase to pay off

▸Testing aggressive versus conservative investment return assumptions

▸Budgeting the full ownership cost, not just the mortgage payment

▸Planning the transition from renting to buying for a growing family

Benefits

•Personalized break-even year instead of a generic 5-year rule
•Renter opportunity cost modeled with the same rigor as buyer equity
•U.S. tax deductions for mortgage interest and property taxes built in
•Full year-by-year schedule showing every component of both paths
•Inflation applied to insurance, taxes, and rent so the projection is realistic
•Instant recalculation as every assumption is adjusted

Limitations

•Assumes constant appreciation, rent growth, and investment returns forever
•Does not model PMI, refinancing, or variable-rate mortgages
•Assumes the home is not sold during the window, so selling costs are excluded
•Uses U.S. tax rules only
•No allowance for vacancies, moving costs, or renter churn

Best Practices

•Set the horizon to your realistic stay, then stress-test it
•Use conservative appreciation (2-3%) and moderate returns (5-7%)
•Enter real maintenance history instead of the default 1%
•Include HOA fees and PMI whenever they apply
•Revisit the comparison when rates move by more than half a point

Common Misconceptions

Myth: A mortgage payment is the full cost of owning.

Truth: Taxes, insurance, maintenance, and HOA routinely add 30-50% on top of the payment — and selling later costs another 5-6%.

Myth: Renting is always throwing money away.

Truth: The money not spent on a down payment can be invested. At high investment returns, the renter's portfolio can out-earn the buyer's equity for a decade or more.

Myth: The 5-year rule applies to everyone.

Truth: The real break-even year depends on prices, rates, appreciation, and returns. This calculator computes yours directly.

Myth: Appreciation is the reason buying wins.

Truth: Principal paydown, rent inflation, and tax savings matter just as much. Buying can win even at 0% appreciation if the stay is long enough.

Practical Tips

•Run the comparison twice: once at your expected stay and once at your minimum possible stay
•A 0.5% rate move can shift the break-even year by a year or more — retest when rates change
•If the two net costs are within 5% at the end of the window, let non-financial factors decide
•Add your real insurance quote and tax rate instead of the defaults
•Model a 20% down payment versus 10% — the PMI plus higher payment can flip the answer
•Use the renter's portfolio number to see what wealth you are giving up by buying

Common Mistakes

Comparing the mortgage payment to today's rent only

Rent rises every year while the payment stays fixed. Always run the multi-year comparison before deciding.

Ignoring the opportunity cost of the down payment

The $60,000 down payment is $60,000 the renter is investing. At 7% that compounds to over $100,000 in a decade.

Forgetting closing costs and selling costs

Buying costs 2-5% up front and another 5-6% to sell. Both must be absorbed by the equity before buying breaks even.

Assuming your personal appreciation matches the national average

Use your city's historical rate. Markets vary from 0% to 10%+ and the answer is extremely sensitive to this number.

Using a return rate the renter will never achieve

Be honest about the investment return. If the renter keeps money in a savings account, use 4-5%, not 10%.

Ignoring HOA fees and maintenance entirely

Both are real monthly costs. A $300 HOA plus 1% maintenance changes the break-even year materially.

Assumptions

This calculator makes the following assumptions to provide estimates:

Constant growth rates: Appreciation, rent increases, investment returns, and inflation are held constant for the whole window.

Fixed-rate mortgage: One fixed-rate loan for the entire comparison; no refinancing or variable rate changes.

Home not sold in the window: Selling costs of 5-6% are excluded because the home is held through the entire comparison.

Full rent paid every year: No vacancy, no missed rent, and the renter relocates only if the landlord raises rent as modeled.

U.S. tax rules: Mortgage interest and property tax deductions apply at the entered marginal rate.

On-time payments: Mortgage payments are made exactly as scheduled every month.

Limitations

Be aware of these limitations when using this calculator:

No PMI or special loan programs: PMI, FHA mortgage insurance, and VA funding fees are not modeled — add them to insurance or maintenance inputs.

Growth rates are guesses: The results are only as good as the appreciation, rent growth, and return assumptions; all three are unknowable in advance.

Selling costs excluded: If you will sell at the end of the window, the buy-side result overstates equity by the 5-6% selling cost.

U.S.-only tax treatment: Deduction limits, state rules, and international tax treatment are not covered.

No personal risk assessment: Homeownership carries repair risk, illiquidity, and concentration risk that no cash-flow model captures.

Frequently Asked Questions

Answers to common questions about this calculator.

What is the difference between renting and buying a home?

Renting involves paying a landlord monthly for the right to occupy a property with no ownership stake, while buying involves purchasing the property with a mortgage and building equity over time. Renters have predictable costs and flexibility to move, but build no long-term wealth from the property. Buyers benefit from appreciation, equity growth, and tax deductions, but face higher upfront costs, maintenance responsibilities, and less flexibility.

How is the break-even year calculated in the rent vs. buy decision?

The break-even year is the point when the total cumulative cost of buying becomes less than the total cumulative cost of renting. Our calculator projects annual costs for both scenarios, including mortgage payments, property taxes, insurance, maintenance, and rent increases, and adjusts for inflation and opportunity cost. The year in which the buying cost line crosses below the renting cost line is your break-even point. A shorter break-even period (under 5 years) strongly favors buying.

What hidden costs should I consider when buying a home?

Beyond the mortgage payment, homeownership includes closing costs (2-5% of the purchase price), maintenance and repairs (1-2% of home value annually), property taxes, homeowners insurance, PMI if your down payment is under 20%, HOA fees, and selling costs (5-6% commission). Many first-time buyers underestimate these expenses. Use our Mortgage Calculator and House Affordability Calculator to get a complete picture.

What is PITI in a mortgage payment?

PITI stands for Principal, Interest, Taxes, and Insurance. Principal reduces the loan balance, interest is the cost of borrowing, property taxes are paid to local government, and homeowners insurance protects against property damage. Many lenders use PITI to calculate your debt-to-income ratio and determine loan eligibility.

What is opportunity cost in the rent vs. buy decision?

Opportunity cost is the potential return you could earn by investing the money spent on a down payment, closing costs, and other home-buying expenses elsewhere, such as the stock market. Historically, the S&P 500 has returned about 10% annually. Our calculator accounts for this by assuming the renter invests the money not spent on home purchase costs at the specified investment return rate.

What is PMI and how does it affect buying a home?

PMI (Private Mortgage Insurance) is required on conventional loans when the down payment is less than 20% of the home price. It protects the lender in case of default. PMI typically costs 0.3% to 1.5% of the loan amount annually and is added to your monthly payment. PMI can be canceled once your loan-to-value ratio reaches 80%. Use our FHA Loan Calculator or Down Payment Calculator to see how PMI affects your costs.

What are the tax benefits of owning a home?

Homeowners can deduct mortgage interest on the first $750,000 of loan principal, deduct property taxes up to $10,000, and exclude up to $250,000 ($500,000 for married couples) of capital gains on a primary residence sale if they have lived in the home for at least 2 of the last 5 years. Our calculator factors these in through the marginal tax rate input.

How does home equity build over time?

Home equity is the difference between your home market value and your remaining mortgage balance. Equity builds through principal paydown (each mortgage payment reduces your loan balance) and appreciation (your home increases in value). In the early years of a mortgage, most of your payment goes toward interest. Over time, more goes toward principal, accelerating equity growth.

How does home appreciation affect the rent vs. buy decision?

Home appreciation is the annual increase in your property market value. Historically, U.S. homes have appreciated at an average of 3-5% annually. Higher appreciation favors buying because it builds wealth faster. However, appreciation is not guaranteed. Our calculator applies the rate you specify to project future home value and equity.

How much should I budget for home maintenance?

Financial experts recommend budgeting 1-2% of your home value annually for maintenance and repairs. On a $300,000 home, that is $3,000-$6,000 per year ($250-$500 per month). This covers HVAC servicing, landscaping, pest control, roof replacement, plumbing issues, and appliance failures. Newer homes may require closer to 1%, while older homes may need 2% or higher.

What are typical closing costs when buying a home?

Closing costs range from 2% to 5% of the purchase price and include loan origination fees (0.5-1%), appraisal fee ($300-$500), title search and insurance ($500-$1,000), attorney fees, recording fees, prepaid taxes and insurance, and inspection fees ($300-$600). On a $300,000 home, closing costs can be $6,000-$15,000.

How do annual rent increases affect the rent vs. buy comparison?

Rent typically increases 2-5% annually. Our calculator projects rising rent costs over the comparison period, which makes buying relatively more attractive in later years because mortgage payments remain fixed while rent continues to climb. A higher assumed rent increase rate favors buying.

What investment return rate should I use for the renter scenario?

The investment return rate represents what the renter could earn by investing their down payment savings elsewhere. Historically, the S&P 500 has returned about 10% annually before inflation (7% after). For conservative projections, use 5-6%; for moderate, use 7-8%; for aggressive, use 9-10%. A higher rate favors renting because the opportunity cost of tying up funds in a home is greater.

How does inflation impact the rent vs. buy comparison?

Inflation reduces purchasing power over time. For renters, inflation drives up rent prices and living costs. For buyers, inflation makes the fixed mortgage payment cheaper in real terms. Real estate has historically been a good hedge against inflation because home values and rents tend to rise with inflation.

What credit score do I need to buy a home?

Minimum credit scores vary by loan type: conventional loans require 620+, FHA loans accept 500+ (with 10% down) or 580+ (with 3.5% down), VA loans have no official minimum but lenders typically want 620+, and USDA loans require 640+. Higher scores qualify for lower interest rates, significantly affecting the rent vs. buy calculation.

How do FHA and VA loans change the rent vs. buy decision?

FHA loans allow down payments as low as 3.5% (with 580+ credit), making homeownership accessible sooner, but require both upfront MIP (1.75%) and annual MIP. VA loans require zero down payment with no PMI, for eligible veterans and service members. Both programs can make buying more attractive by lowering the upfront cash barrier.

Should I buy a condo or a single-family home?

Condos are typically less expensive, require lower down payments, and offload exterior maintenance to the HOA. However, they have monthly HOA fees that can increase, less privacy, and restrictive rules. Single-family homes offer more space and control but cost more and require full maintenance. Factor HOA fees and higher maintenance into your rent vs. buy calculation.

How does location affect the rent vs. buy decision?

Location dramatically impacts the calculation through home prices, property taxes, insurance, rent rates, and appreciation trends. In expensive cities like San Francisco and New York, renting often wins financially. In more affordable markets like the Midwest and Sun Belt, buying makes sense sooner. Consider local property tax rates and historical appreciation.

How does job stability factor into renting vs. buying?

Job stability is critical because buying involves high transaction costs (2-5% at purchase, 5-6% at sale). You generally need to stay in a home for at least 3-5 years for buying to be beneficial. If you expect a relocation or are in a volatile industry, renting provides flexibility without the financial penalty of selling quickly.

Is market timing important when deciding to buy a home?

Timing the housing market is difficult even for experts. The best time to buy is when you are financially ready with stable income, adequate savings for a down payment and emergencies, and plan to stay for at least 5 years. Focus on your personal numbers rather than trying to predict market movements.

What is the 5-year rule in rent vs. buy?

The 5-year rule suggests that buying only makes financial sense if you plan to stay for at least 5 years. This is because upfront transaction costs and the time needed to build enough equity to cover selling costs typically take 3-5 years to recoup. Our calculator computes your personalized break-even year.

How does the down payment size affect the rent vs. buy comparison?

A larger down payment means a smaller loan, lower monthly payments, and potentially no PMI (if 20%+). However, it also means higher opportunity cost because that money could have been invested. A smaller down payment lets you buy sooner but adds PMI and higher payments. Use our Down Payment Calculator to explore different scenarios.

Can I afford to buy a home if I have student loans?

Yes, many homebuyers purchase homes while carrying student loan debt. Lenders calculate your debt-to-income (DTI) ratio including student loan payments. Most conventional loans require a DTI of 50% or lower. Student loans may reduce the amount you can borrow, but programs like FHA are more lenient on DTI ratios.

What is the total cost of homeownership beyond the mortgage?

True homeownership costs include mortgage principal and interest, property taxes, homeowners insurance, PMI (if applicable), HOA fees, routine maintenance (1-2% of home value annually), major repairs, utilities, landscaping, and pest control. Many experts recommend budgeting an additional 30-50% above the mortgage payment for these costs.

How does the calculator treat the security deposit in the renter scenario?

The security deposit is treated as part of the renter's upfront cash. Because it is typically refundable, it is not counted as a cost; it sits with the renter's capital, which earns the assumed investment return. This keeps the starting cash positions of both scenarios comparable.

What happens if home prices fall while I own the home?

The engine applies whatever appreciation rate you enter every year, so a negative appreciation rate models price declines. Falling values shrink home value and equity, which makes the buy-side net cost rise and pushes the break-even year out — often beyond the comparison window, in which case renting wins.

Why is the calculator intended for U.S. residents?

The tax math uses the U.S. mortgage interest and property tax deductions (up to $10,000 combined), and the selling-cost and closing-cost conventions reflect typical U.S. transactions. Markets elsewhere have different taxes, legal fees, and purchase costs, so the results would not be meaningful outside the U.S.

What is the difference between annual cost and net cost in the table?

The annual cost columns show the actual cash outlay in that year: rent plus renter's insurance for renters, and mortgage payments plus taxes, insurance, HOA and maintenance for buyers. The net cost subtracts the wealth each path builds — home equity and tax savings for buyers, and the renter's invested portfolio for renters — so net cost is the true economic comparison.

How are selling costs handled when the home is sold after the comparison window?

The engine does not deduct a hypothetical 5-6% commission at the end of the window; the home value shown is the gross market value. If you plan to sell, mentally subtract selling costs from the equity figures, which will push your personal break-even year later.

How does paying PMI change the results?

PMI is not a separate input, so add it to the Monthly Home Insurance field as a blended insurance cost. For example, a 1% annual PMI rate on a $240,000 loan is $200 per month. Adding that raises the buy-side outlay each year and lengthens the break-even year.

What exactly is the renter's portfolio?

The renter's portfolio is the hypothetical investment account the renter builds. It starts at the down payment plus closing costs that a buyer would spend, grows each year at the investment return rate, and is credited with the annual surplus: the difference between the buyer's operating outlay and the renter's rent cost. It is the rent-side offset against the buyer's equity.

What happens if I refinance my mortgage mid-way through the comparison?

The engine assumes one fixed-rate mortgage for the entire comparison window. A refinance that lowers your rate would reduce the buy-side outlay and shorten the break-even year, while cash-out refinancing that increases the balance would do the opposite. Re-run the calculator with the new payment to approximate either path.

Related Calculators

Explore more calculators related to this topic.

Related Guides

Deepen your understanding with these educational resources.

Renting vs. Buying: The 5-Year Test

How to decide whether a short or long stay tips the decision.

The Hidden Costs of Homeownership

Closing costs, maintenance, HOA fees, and selling costs beyond the payment.

Understanding Opportunity Cost in Housing

Why the invested down payment changes the rent vs. buy math.

First-Time Homebuyer Checklist

Savings, credit, and timing considerations before you buy.

Glossary

Technical terms used in mortgage calculations explained in plain language.

Break-Even Year: The year when the cumulative net cost of buying drops below the cumulative net cost of renting.
Opportunity Cost: The return forgone by tying money up in a down payment and closing costs instead of investing it.
Equity: Home market value minus the remaining mortgage balance.
PITI: Principal, Interest, Taxes, and Insurance — the four components of a full mortgage payment.
PMI: Private Mortgage Insurance required on conventional loans with less than 20% down.
Closing Costs: One-time purchase fees of 2-5% of the price, including origination, appraisal, and title work.
HOA: Homeowners Association — monthly or annual fees for shared maintenance and amenities.
Appreciation: The annual percentage growth of a home's market value.
Security Deposit: Refundable upfront payment to the landlord, held against damage and unpaid rent.
Tax Savings: The reduction in taxes owed from deducting mortgage interest and property taxes at the marginal rate.
Renter's Portfolio: The renter's invested savings: the unspent down payment and closing costs, plus each year's surplus, compounded at the investment return.
Net Cost: Total cumulative outlay minus the wealth the path builds — the true economic cost of each option.

Authoritative References

Trusted sources and standards referenced by this calculator.

Consumer Financial Protection Bureau — Owning a Home Investopedia — Rent vs. Buy: Which Is Right for You? Bankrate — Rent vs. Buy Calculator NerdWallet — Rent vs. Buy: How to Decide Realtor.com — Renting vs. Buying a Home Freddie Mac — Rent vs. Own Analysis Zillow — Rent vs. Buy Calculator

Applicable Standards

Truth in Lending Act (Regulation Z)Consumer Financial Protection Bureau Mortgage RulesFair Housing Act

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Last Updated:

2026-08-07

Version:

2.0.0

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License:

Free to use for educational and professional purposes.