Bottom line: The biggest mistake first-time buyers make is not preparing their finances 12 months before they want to close. Credit score, debt-to-income ratio, and down payment savings all take time to optimize — and the rate you qualify for reflects how well you've done that work.
Buying your first home is the largest financial transaction most people ever make. The process is manageable when you understand each step — and expensive when you don't.
Step 1: Get your finances in order (6–12 months before)
Check your credit score. You can check free at AnnualCreditReport.com. Aim for 740+ for the best rates. If your score is below 620, focus on building credit before applying.
Pay down high-interest debt. Lenders look at your debt-to-income ratio (DTI). Total monthly debt payments should ideally stay below 36% of gross income, including your new mortgage payment.
Save for the down payment and closing costs. Down payment: 3–20% of purchase price. Closing costs: typically 2–5% of loan amount. On a $400,000 home with 10% down, budget $40,000 for down payment + $8,000–$20,000 for closing costs.
Calculate your Debt-to-Income ratio — the key number lenders use to qualify mortgages.
Back-End DTI
40.0%
Use this result as one input in your broader Money Map, not as a one-off number.
What to do
Use this result to narrow your next financial move.
Pre-tax estimates. For illustration only — not financial advice.
Step 2: Get pre-approved
A pre-approval letter shows sellers you're serious and have financing lined up. It's not a commitment — you can still shop rates.
Required documents:
- 2 years of W-2s or tax returns
- 30 days of recent pay stubs
- 2–3 months of bank statements
- List of outstanding debts
Get at least 3 quotes. The rate difference between lenders on a $350,000 loan can be 0.25–0.5%, which equals $18,000–$36,000 over 30 years.
Multiple mortgage inquiries within a 14–45 day window count as a single inquiry under FICO scoring models. Shop freely.
Step 3: Find your home
Work with a buyer's agent — they're compensated by the seller, not you. Define your must-haves vs. nice-to-haves before you start looking, or you'll compromise on the wrong things under pressure.
Understand the true cost of ownership:
- Mortgage payment (principal + interest)
- Property taxes (varies by location — budget 1–2% of home value annually)
- Homeowner's insurance ($100–200/month for most homes)
- HOA fees (if applicable)
- Maintenance (budget 1–2% of home value per year)
Step 4: Make an offer
In competitive markets, clean offers win: full pre-approval (not just pre-qualification), limited contingencies, and a realistic earnest money deposit (1–3% of purchase price).
Contingencies to keep:
- Inspection contingency — lets you walk away or negotiate after the inspection
- Financing contingency — protects your earnest money if your loan falls through
- Appraisal contingency — protects you if the home appraises below the purchase price
Step 5: Navigate escrow and close
Once your offer is accepted:
- Home inspection (Days 1–7) — hire your own inspector. Budget $400–600. Read the full report.
- Loan processing (Days 1–30) — your lender orders an appraisal, verifies all your documents, and issues a loan commitment.
- Final walkthrough (Day before close) — verify the property is in agreed-upon condition.
- Closing — sign approximately 100 pages of documents. Bring a cashier's check or arrange a wire transfer for closing costs.
You'll receive the keys at closing. The process is complete.
Compare live mortgage rates — updated daily
See Top MORTGAGE Rates →Sources: National Association of Realtors 2025 Profile of Home Buyers and Sellers; Federal Housing Finance Agency House Price Index (Q4 2025); Urban Institute Housing Finance Policy Center (2025); Mortgage Bankers Association Purchase Applications Survey.
Frequently asked questions
How much do I need for a down payment?+
What credit score do I need to buy a house?+
How long does the homebuying process take?+
Answer a few questions about your situation and goals. Money Map points you to the highest-value next step.
Live lender rates, refreshed daily
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