Mortgage Preapproval: Pros, Cons, Best Practices

Lender conditionally commits up to a set amount after reviewing documents, credit, and debt-to-income ratio.
Preapproval letter can list estimated loan amount, sometimes loan type and expected interest range; it signals vetted financing.
Benefits: stronger seller credibility, clearer budget, faster processing after offer acceptance, and early detection of financial issues.
Drawbacks: hard inquiry may ↓score; letters last 60 to 90 days; risk overspending; detailed info required; no final guarantee.
Best practices: review credit, set budget, organize documents, shop within 2 weeks, keep finances stable until closing.