The lender’s maximum approval and your comfortable monthly budget are two different numbers. A strong buyer knows both.
Build the full monthly cost
Add taxes, insurance, association fees, mortgage insurance and a maintenance reserve to principal and interest.
Protect cash after closing
A down payment that empties every reserve may make the first repair or insurance deductible harder to absorb.
Run rate scenarios
Small changes in interest rate can materially change payment. Run more than one scenario before setting the search ceiling.
Get actual lender terms
Online calculators are planning tools. A licensed lender must evaluate your real qualification and disclose loan terms.
This article is general real-estate education, not legal, tax, financial, appraisal or lending advice. Property and transaction facts can change the right answer.