Compare the true long-term cost of renting vs. buying — including appreciation, rent hikes, equity, and what the renter could earn investing instead.
Compare net wealth, not monthly payments
The monthly payment comparison misleads: buying looks expensive because the down payment and principal are “costs,” yet principal builds equity you keep. The honest comparison is net wealth after your planned stay. The buyer ends with home equity (value minus remaining balance minus selling costs); the renter ends with whatever the down payment and monthly savings grew to when invested. Whichever pile is bigger wins — and the answer flips with time horizon, appreciation, and rent growth.
The 5% rule of thumb
A quick sanity check from the NYT framework: unrecoverable buying costs run about 5% of the home price per year — roughly 3% for the opportunity cost of tied-up capital, plus property tax and maintenance. If 5% of the price exceeds your annual rent, renting is likely cheaper; if rent is higher, buying usually wins. On a $400,000 home, 5% is $20,000 a year — versus $24,000 in rent at $2,000 a month, which points toward buying.
What the math misses
No calculator prices stability against mobility. Buying locks in your housing cost (minus tax and insurance drift) and lets you renovate freely — but selling within a few years usually loses to transaction costs of ~6–10%. Renting keeps you mobile and maintenance-free, but exposes you to rent hikes and forced moves. Treat the verdict as a financial baseline, then weigh the lifestyle factors the numbers cannot see.
Is renting just throwing money away?
No — rent buys shelter, flexibility, and freedom from maintenance, taxes, and interest. The “throwing money away” framing ignores that early mortgage payments are mostly interest, which is equally unrecoverable. What matters is which path leaves you wealthier at the end, and that depends on your time horizon.
How long do I need to stay for buying to beat renting?
Typically 5–7 years in a normal market, because buying’s upfront costs (down payment, closing, selling fees) need time to be overtaken by equity buildup and appreciation. In hot markets it can be 3–4 years; in flat markets, a decade or more.
What is the 5% rule for rent vs. buy?
Multiply the home price by 5% — the approximate annual unrecoverable cost of owning (opportunity cost of capital, property tax, maintenance). If that exceeds your annual rent, renting is probably cheaper; if rent is higher, buying usually wins.
Does home appreciation matter more than the mortgage rate?
Over long horizons, yes — appreciation compounds on the entire home value while you only borrowed most of it, so leverage magnifies it. But appreciation is uncertain and local; the mortgage rate is certain. Never buy counting on appreciation alone.
Should I buy if I might move in 3 years?
Usually not. Selling costs of ~6% plus closing costs on both ends rarely get recovered in 3 years unless the market surges. Renting keeps your options open — run this calculator with 3 years to see your specific numbers.