Common Mortgage Mistakes to Avoid for First-Time Home Buyers in Canada
- Nitesh Anand
- Jan 4
- 3 min read
Buying your first home is an exciting milestone, but navigating the mortgage process in Canada can be overwhelming. Mistakes can cost you thousands of dollars or delay your homeownership dreams. To help you succeed, we’ve outlined the most common mortgage mistakes first-time buyers make and how to avoid them. Let’s dive in!

1. Not Getting Pre-Approved for a Mortgage
Before you start browsing listings, it’s essential to get pre-approved for a mortgage. This step helps you understand how much you can afford and shows sellers you’re serious. Without pre-approval, you risk falling in love with a home outside your budget or facing delays in making an offer.
How to Avoid This Mistake
Work with a trusted lender or mortgage broker to get pre-approved early. Ensure you have your financial documents, such as proof of income, tax returns, and credit history, ready to streamline the process.
2. Underestimating the Total Costs of Homeownership
Many first-time buyers focus only on the purchase price and forget about additional expenses. Closing costs, property taxes, home insurance, and ongoing maintenance can quickly add up.
How to Avoid This Mistake
Create a detailed budget that includes all potential costs. Typically, closing costs range from 1.5% to 4% of the home’s purchase price in Canada. Factor in utilities, repairs, and unexpected expenses to stay financially prepared.
3. Ignoring Your Credit Score
Your credit score plays a crucial role in determining your mortgage rate and approval. A low score could result in higher interest rates or even disqualification.
How to Avoid This Mistake
Check your credit score through a reputable service like Equifax or TransUnion Canada. If your score is below 680, take steps to improve it, such as paying down debt and avoiding new credit inquiries.
4. Choosing the Wrong Mortgage Term or Type
Fixed-rate and variable-rate mortgages offer different benefits, and the wrong choice can cost you. Similarly, selecting the wrong term length can lock you into unfavorable conditions.
How to Avoid This Mistake
Discuss your options with a mortgage advisor. Consider factors like market trends, your risk tolerance, and how long you plan to stay in the home.
5. Stretching Your Budget Too Thin
It’s tempting to max out your mortgage approval limit, but doing so can leave you financially vulnerable. Unexpected expenses or changes in income can turn your dream home into a burden.
How to Avoid This Mistake
Aim to spend less than your maximum approval amount. A general rule is to keep your housing costs—including mortgage, taxes, and insurance—under 30% of your monthly income.
6. Overlooking Mortgage Portability Options
Life happens—job changes, family growth, or relocation. Many first-time buyers don’t consider whether their mortgage is portable, which can lead to hefty penalties if they move before the term ends.
How to Avoid This Mistake
Ask your lender about mortgage portability and flexibility. A portable mortgage allows you to transfer your current loan to a new property without penalties.
7. Failing to Compare Mortgage Rates and Terms
Settling for the first mortgage offer you receive can be a costly mistake. Rates and terms vary significantly among lenders in Canada.
How to Avoid This Mistake
Shop around and compare multiple lenders, or work with a mortgage broker who can negotiate on your behalf. Even a slight difference in interest rates can save you thousands over the life of your loan.
8. Skipping the Home Inspection
Waiving a home inspection to make your offer more competitive might seem appealing, but it’s a gamble that could lead to expensive surprises later.
How to Avoid This Mistake
Always include a home inspection contingency in your offer. A qualified inspector can identify potential issues and help you make an informed decision.
9. Misunderstanding Mortgage Insurance Requirements
If your down payment is less than 20%, you’ll need mortgage default insurance in Canada. Many first-time buyers don’t account for this added cost.
How to Avoid This Mistake
Factor mortgage insurance premiums into your budget. Use tools like the CMHC’s mortgage calculator to estimate your total costs.
10. Neglecting to Plan for Rate Increases
Interest rates in Canada can fluctuate, and a low-rate environment won’t last forever. Many first-time buyers fail to plan for potential increases, especially with variable-rate mortgages.
How to Avoid This Mistake
Run scenarios to see how rate hikes would impact your monthly payments. If you’re on a variable-rate mortgage, consider setting aside extra funds to cushion future increases.
Final Thoughts
Avoiding these common mortgage mistakes can save you time, money, and stress as a first-time home buyer in Canada. The key is preparation: understand your financial situation, research your options, and work with trusted professionals. By taking these steps, you’ll be well on your way to finding a home you love without unnecessary pitfalls.
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