What home financing basics should I understand?
If you obtain home financing, you'll repay more than the amount you borrowed. How much you repay is determined by several factors, including your interest rate and loan amount. Here are some terms you should understand.
A loan “option” is always made up of three different things:
LOAN TERM
INTEREST RATE
TYPE OF LOAN
Terms to understand
How will you evaluate my home financing application?
When you apply for home financing, we generally use these four main criteria to assess your application.
Responsible lending guidelines
We approve applications where we believe the borrower has the ability to repay according to the terms of the financing. We use two ratio-based guidelines to evaluate your ability to repay.
Debt-to-income ratio – Debt-to-income ratio is the percentage of your monthly income that is spent on monthly debt payments.

- We compare your expected monthly mortgage payment (principal, interest, taxes, and insurance) plus other monthly debt obligations to your gross (pre-tax) monthly income.
- Mortgage program guidelines vary, but a good rule of thumb is to keep your total debt level at or below 36% of your gross monthly income.
Housing-expense-to-income ratio – Housing-to-income ratio is the percentage of your monthly income that is spent on monthly housing payments.

- We also compare just your expected monthly mortgage payment (including taxes and insurance) to your gross monthly income.
- Mortgage program guidelines vary, but a good rule of thumb is to keep your housing expense level at or below 28%.
Even if you fall within the 28%/36% guidelines, make sure you’re comfortable making your monthly mortgage, insurance, and tax payments, in addition to all of your other monthly payments. Remember that homes have other costs — such as utilities, maintenance, and repairs — that may not exist if you rent.