Use debt-to-income ratio as a planning signal

DTI compares required monthly debt payments with gross monthly income but does not show every household expense.

Words to know

• Down payment: Money paid toward the home price instead of borrowed through the mortgage.
• Mortgage: A loan used to buy or refinance a home, secured by the property.
• Closing costs: Fees and prepaid costs due when the home purchase and loan are completed.

The main idea

A qualifying ratio may still feel tight after childcare, utilities, food, maintenance, or savings.

Use this lesson as a starting point. Check the current numbers, written terms, and dates that apply to you. If a detail is missing, leave it blank until an official record or qualified professional can confirm it.

What can change the answer

• The full monthly cost can include more than principal and interest.
• Cash needed at closing is different from the money needed after moving in.
• Loan offers should be compared using the same loan amount, term, and timing.

Three things to remember

• Know what DTI includes
• Test take-home cash flow
• Leave room for goals

Common mistakes to avoid

• Using every available dollar for the down payment.
• Comparing only the advertised rate.
• Skipping inspection, repair, insurance, tax, or maintenance estimates.

Try these steps

• Calculate current DTI
• Add the proposed housing payment
• Build a full household budget

Questions to ask yourself

• What is the full monthly housing estimate?
• How much cash remains after closing?
• Which terms differ across the written Loan Estimates?