Short answerPlan for three buckets: the down payment, closing costs, and an emergency fund that survives the move. Learn PITI: principal, interest, taxes, insurance. The house is affordable when all four fit your budget with room to spare.
The down payment
The down payment is your upfront share of the price. A bigger down payment means a smaller loan and smaller monthly payments.
Some loan programs allow low down payments. Those come with trade-offs like mortgage insurance, so read the terms.
Closing costs
Closing costs are the fees to finish the purchase: lender fees, title work, prepaid taxes and insurance. They add a meaningful chunk on top of the price.
Get the written estimate early and read every line. Ask about any fee you do not understand.
PITI in plain English
Your monthly housing payment is all four together. Quotes that show principal and interest only are telling half the story.
- Principal: the part of each payment that shrinks your loan balance.
- Interest: the lender's charge for lending you the money.
- Taxes: property tax, folded into your monthly payment by the lender.
- Insurance: homeowners insurance, folded into your monthly payment the same way.
The emergency fund after buying
Houses break on their own schedule. Roofs, furnaces, and water heaters do not check your bank balance first.
Keep an emergency fund intact after closing, separate from the down payment. A house with no cash cushion is fragile.
The real affordability test
Add up PITI plus utilities and upkeep, then run that total against take-home pay. Leave room for savings to keep growing.
If one surprise repair would break the budget, the house is too much house. Waiting costs less than a forced sale.