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High-ratio mortgage

A mortgage with less than 20% down — requires default insurance from CMHC, Sagen, or Canada Guaranty. Premium ranges from 2.8% to 4.0% of the loan and is added to the principal.

High-ratio sounds worse than it is. Because the loan is insured, the lender's risk is covered, so high-ratio mortgages often carry the lowest rates available — frequently beating a 20%-down conventional mortgage on rate.

The cost is the premium: roughly 4.0% of the loan at 5% down, scaling down to about 2.8% at 15% down. It's added to your principal and amortized, so you don't pay it upfront, but you do pay interest on it over the term.

High-ratio is purchase-only (max 25-year amortization, price under $1.5M, owner-occupied). You can't make a refinance high-ratio. For most first-time buyers it's the fastest, cheapest path into the market.

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