It is vital that you determine how much you can afford before you start looking for a house. If you begin by looking at houses outside of your price range, you may set unrealistic expectations and the homes you can afford may appear disappointing by comparison. You also want to be confident that your monthly payments are sustainable and realistic for your budget. Here are a few tools to help you carefully consider the size of mortgage that is most suitable for you: Household Budget Calculator http://www.cmhc.ca/sharing/en/householdbudget.html Mortgage Affordability Calculator http://www.cmhc.ca/sharing/en/affordability.html Mortgage Payment Calculator http://www.cmhc.ca/sharing/en/mortgage-payment-calculator.html http://www.christinebuemann.com