Does Buying a House Actually Build Wealth? Slower Than the Payment Suggests

Leverage, forced savings and appreciation against a 2.7% yearly carry and 9% round-trip trading costs: what wealth a house actually builds, and when it doesn't.

Written by Jonathan Nyst Updated August 2026 3 min read Myths Every figure re-runnable

Sometimes — but through a narrower channel than the payment suggests, and in our default 2026 scenario, not fast enough: the buyer’s leveraged house still trails the renter’s portfolio by about $67,000 over ten years. A house builds wealth through exactly three mechanisms — principal, appreciation, and the rent you stop paying — and every one of them arrives with a cost attached that the “homeowners are wealthy, renters are not” statistic never shows.

What part of the payment builds wealth?

The thin slice. On our default $336,000 loan at 6.5%, the payment is $2,124 a month and the first month retires $304 of principal — the other $1,820 is interest, which builds nothing. Principal doesn’t overtake interest inside the payment until around year 19. Add property tax, insurance, and maintenance, and the owner spends $3,067 a month of which $2,763 is as unrecoverable as rent.

So the “forced savings” story is real but small at first: the forced part of the saving starts near $300 a month and grows slowly, while the burn runs over $2,700. A renter who invests the difference deliberately is running the same program with a bigger deposit and no compulsion — which is the honest version of the comparison, and the one our model runs. Whether compulsion itself is worth paying for is a question about you, not about houses.

Doesn’t leverage change everything?

It changes a lot — it’s the strongest genuine argument for buying. Put 20% down and you hold 100% of the gain: our default home appreciating at 3% is worth about $564,000 in year ten, and all of that growth accrues to someone who put in $84,000. As a percentage return on cash invested, the early years look spectacular. (Put down less, and the leverage is even higher — but it arrives with PMI, whose timeline and true cost get their own guide.)

But leverage is bought, not given. Carrying it costs 6.5% interest on the borrowed 80% — and the house itself costs about 2.7% of its value a year to hold (tax, insurance, maintenance) and roughly 9% round trip to trade — $12,600 of buying costs plus about $33,900 selling the appreciated home after the ten-year hold, about $46,000 on the default scenario. Meanwhile the $84,000 that became a down payment stopped compounding elsewhere: at our model’s 7%, it alone would have grown to about $165,000 in ten years. Net out everything, including capital-gains tax on the renter’s portfolio, and the leveraged house still finishes about $67,000 behind.

As a pure asset, the comparison isn’t close: long-run US data puts nominal house-price growth several percentage points below equity total returns, which is why our model’s documented defaults are 3% appreciation against a 7% investment return. Both are assumptions you can — and should — override with your own view. The house’s real job is to be leveraged shelter with an implicit dividend — the rent you stop paying — and that dividend is the whole game.

When does buying genuinely build wealth?

When the implicit dividend is large — that is, when rent is expensive relative to the price. This is a ratio question, and the answer flips hard across markets:

In the cheap market the avoided rent is enormous relative to the carrying cost — the mortgage is a bargain against it. In the expensive market the dividend is tiny, the carry is not, and no realistic rate cut closes the gap. And cheap money flips even the default scenario: leverage builds wealth when the leverage is cheap.

The full grid — seven ratios by four rates, every cell a real simulation — is on the price-to-rent ratio page.

Why do homeowners look so much wealthier in the statistics?

Selection runs both directions. People with stable incomes, savings, and access to credit are the ones who can buy, and they would skew wealthier as renters too. Homeownership also embeds a discipline machine — the forced $304 growing over decades, plus a strong bias against selling — that many households would not replicate voluntarily. The wealth statistic measures who buys and how compulsion behaves, not what the asset returns. Our model isolates the asset question by giving both sides the same discipline: whoever pays less in a month invests the difference, as documented in the methodology.

How do you answer it for your own situation?

Compute the dividend. Take your realistic purchase and your realistic comparable rental, and check the rent as a share of the price — above roughly 0.59% a month at 6.5% rates, buying’s wealth machine genuinely runs; below it, the machine runs backward and the renter who invests builds more. The calculator prices your exact case in about a minute, taxes and selling costs included, and shows the year-by-year path rather than a slogan in either direction.

Jonathan Nyst

Jonathan Nyst built RentVsBuyMath as an independent project — for himself first. He spent fifteen years marketing financial products, in banking, fintech and payments at CMO level, which is exactly how he knows what a lead-generation calculator looks like from the inside. This is the calculator without the funnel: he is not a lender, broker or agent, the site takes no referral fees, and nobody is paid more if you decide to buy. The whole model is public — every formula documented on the methodology page, the engine MIT-licensed, covered by automated tests including scenarios computed by hand to check it.