Buy a Home Without Overpaying
A step-by-step path to buying a home in the US: affordability, down payment, closing costs, and whether renting still wins in your market.
Your step-by-step path
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Find your real affordability ceiling
Lenders approve based on debt-to-income ratios that ignore childcare, commuting and retirement saving. Start with what the payment does to your monthly budget, then check whether a lender would approve it — not the other way around.
Open the Home Affordability Calculator - 2
Model the full monthly payment
Principal and interest is typically 60–75% of what you'll actually send each month. Add property tax, homeowners insurance, PMI if you're under 20% down, and HOA dues before deciding anything.
Open the Mortgage Calculator - 3
Check whether buying beats renting where you are
Buying wins over long horizons in most markets, but the break-even point ranges from three years to well over a decade depending on price-to-rent ratios and transaction costs. If you might move within five years, the math often favors renting.
Open the Rent vs Buy Calculator - 4
Fix your credit before you apply
The gap between a 680 and a 760 credit score is commonly 0.4–0.6 percentage points on a mortgage rate, which is tens of thousands of dollars over 30 years. Paying down card balances is the fastest available lever.
Open the Credit Utilization Calculator - 5
Budget for closing and the first year
Closing costs run 2–5% of the purchase price, and first-year maintenance on an older home routinely exceeds new buyers' expectations. Arriving at closing with nothing left over is how a good purchase becomes a stressful one.
Open the Emergency Fund Calculator
Tools for buy a home
AI Mortgage Advisor
A verdict, not a payment — risk level, stress test, and whether the down payment is the right call.
Savings Goal Calculator
Work backwards from the number you need to the monthly amount that gets you there.
Mortgage Calculator
See principal, interest, taxes, insurance and PMI — then what the loan really costs over 30 years.
Home Affordability Calculator
Two answers: what a lender will approve, and what your budget can genuinely sustain.
Rent vs Buy Calculator
Buying wins eventually in most markets. This finds the year it starts winning in yours.
Refinance Calculator
A lower rate is not automatically a win. This shows what restarting the clock costs.
Closing Cost Calculator
Down payment plus 2–5% in costs most first-time buyers discover far too late.
Credit Score Simulator
Model paying down cards, opening accounts or a late payment before you do it.
Debt-to-Income Calculator
The single number lenders check first — and the one that decides your mortgage approval.
Go deeper
The topic hubs behind this goal, with every related tool and guide.
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Buy a Home questions
How much should I put down on a house?
Twenty percent avoids private mortgage insurance and secures better pricing, but waiting years to reach it while prices and rents rise can cost more than the PMI would have. Many buyers are better off putting down 5–10%, buying sooner, and removing PMI once they reach 20% equity. Keep an emergency fund intact either way — a down payment that empties your savings converts a home into a liability.
What credit score do I need to buy a house?
Conventional loans generally start at 620, FHA loans can go to 580 with 3.5% down, and VA loans have no formal minimum though lenders usually want 620. The best pricing typically begins around 740 and improves again near 780. The minimum to qualify and the score to aim for are very different numbers.
How long should I plan to stay in a home to make buying worthwhile?
Five years is the usual rule of thumb, because buying and selling costs of roughly 8–10% combined need time and appreciation to recover. In expensive markets with low price-to-rent ratios the break-even can stretch past ten years. The rent vs buy calculator finds the specific crossover for your numbers.