Rent vs Buy a Home: How to Compare the Real Costs

A $2,023 mortgage payment looks cheaper than $2,200 in rent. Yet on the same $400,000 home, renting still costs about $20,113 less over a 3-year stay. The monthly payment hides most of the story, so a fair comparison has to count every dollar you spend and every dollar you get back.

What Does a Fair Rent vs Buy Comparison Count?

A fair comparison counts the unrecoverable cost of each path over the same stay. For renting, that is the rent. For buying, it is interest, fees, taxes, insurance, upkeep, and lost investment returns, not the equity you keep.

The two paths spend money in very different ways. A renter pays one steady bill that usually rises each year. An owner pays a large sum up front, a monthly loan payment, and several costs that sit outside that payment.

The Consumer Financial Protection Bureau warns that insurance, property taxes, mortgage insurance, association fees, and repairs can add hundreds of dollars a month. It also notes that an owner who sells within the first few years may end with no more equity than at the start. Selling costs eat the small gains of a short stay.

So the question is never “rent or mortgage payment?” The real question is which path leaves you with more money after a set number of years.

Building the Two Cost Ledgers

Our calculator builds one ledger for each path and subtracts one from the other. The renting ledger is simple: add up 12 months of rent for each year, with the rent rising by a fixed rate. The buying ledger has eight lines.

Adding the loan balance and subtracting the sale price has a neat effect. The principal you paid comes back to you, so only interest and true costs count against buying. The CFPB lists appraisal fees, title insurance, government taxes, and prepaid items among typical closing charges. Our guide to what buyers pay in closing costs breaks those fees down.

A Seven-Year Test on a $400,000 Home

This is the example from our calculator page. The home costs $400,000, with 20 percent down and a 6.5 percent fixed rate. A similar home rents for $2,200 a month.

Rent and home prices each grow 3 percent a year. Ownership costs run 2 percent of the home value, and spare cash could earn 5 percent. The mortgage payment works out to $2,022.62 a month.

The Buying Side

Over 7 years, the owner pays $169,899.88 in mortgage payments. Only $30,668.02 of that reduces the loan, so about $139,232 is interest. Ownership costs add $61,299.70, and the $92,000 in cash up front gives up $37,453.24 in returns.

The home then sells for about $491,950. After the 6 percent selling cost and the $289,331.98 loan payoff, the owner keeps about $173,101. The net cost of buying comes to $187,552.23.

The Renting Side

Rent starts at $26,400 for the first year and rises 3 percent each year. Seven years of rent add up to $202,289. Renting costs $14,737 more, so buying comes out ahead over this stay.

Cut the stay to 3 years and the result flips. Renting costs $81,600, while the net cost of buying is $101,713, so renting saves about $20,113.

Why Does the Break-Even Year Move So Much?

The break-even year moves because buying carries heavy one-time costs that need years of equity growth to recover. Small changes in appreciation, rent, or returns shift how fast that recovery happens.

In the example, closing and selling costs total about $41,517 for a 7-year stay. That is more than 10 percent of the purchase price. Buying costs more in years 1 through 5 and first costs less in year 6.

Changing one input at a time, with every other value from the example held fixed, shows how sensitive the result is.

The last row reflects the price-to-rent ratio: the home price divided by a year of rent. The Dallas Fed tracks this ratio across the country. In the example it is $400,000 divided by $26,400, or about 15.2, and lower rent raises it.

Where Rent vs Buy Math Goes Wrong

Most bad comparisons leave out a line from one ledger. These five errors show up most often.

• Comparing rent with the loan payment alone. The CFPB notes that the total monthly payment often includes taxes and insurance held in escrow. In the example, first-year ownership costs add about $667 a month on top of $2,022.62.
• Treating the whole payment as a cost. Principal comes back to you when you sell. Of the $169,900 paid over 7 years, $30,668 was principal.
• Skipping the lost returns. The $92,000 put into the home can no longer earn anything elsewhere. At 5 percent, that gap reaches $37,453 in 7 years.
• Forgetting mortgage insurance. The CFPB says conventional loans with less than 20 percent down often require private mortgage insurance. Our calculator leaves it out, so add it to the ownership rate when it applies.
• Using a hopeful growth rate. A flat market pushes break-even from year 6 to year 19 in the example. Test a low rate before trusting a high one.

To see how a single payment splits between principal and interest, the mortgage payment calculator shows the full breakdown.

What Should You Gather Before Running Your Own Numbers?

Gather a realistic home price, a rent for a truly similar home, your likely stay, and local tax and insurance costs. Better inputs matter more than a better formula.

Start with the price range you can carry. Our walkthrough of how much house you can afford on your salary covers that step first. The comparison assumes the purchase already fits your budget.

Next, match the homes. A rental with fewer bedrooms or a worse location makes renting look cheaper than it is. Use a real listing for each side when you can.

Finally, pick the stay length with care, since it moves the answer more than any other input. You can enter every one of these values in our rent versus buy cost comparison tool and watch the break-even year shift.

Common Questions About Renting vs Buying

References

This article explains a cost comparison method and is not financial or tax advice. All example figures come from our calculator’s model with fixed growth rates, 3 percent closing costs and 6 percent selling costs. Reviewed for accuracy by Prof. Dr. Khalil Mudassar, PhD. Last updated September 27, 2026.