Mortgage Product Mechanics FAQs
Product-level mechanics most borrowers never learn: how a collateral charge affects switching, when a readvanceable mortgage justifies its complexity, how HELOC draw and repayment mechanics work, and when a hybrid (fixed + variable) product makes sense.
8 FAQs in this category.
What is the technical difference between a VRM and an ARM?
A VRM (Variable Rate Mortgage) has a variable payment that can change, but the interest rate varies with prime rate movements and payments may remain fixed until a trigger rate is reached, after which negative amortization can occur.
How do I calculate the 2026 'Trigger Rate' for you?
The Trigger Rate is the point where the monthly interest equals the monthly payment.
Why is the variable-to-fixed conversion rule so critical?
Most lenders allow borrowers to convert to a fixed rate mid-term for free, provided the new term is equal to or longer than the remaining variable term.
How do 2024 reforms impact insured variable products?
Insured variables on homes up to $1.5M now allow for 30-year amortizations (for FTHB/New Builds).
When does the 'Open Rate Premium' become worth it for you?
Open rates cost ~2% more (roughly $10,000/year on $500K) — only worth it if you expect to sell, refinance, or pay off within 12 months.
How do 2024-2026 rate forecasts impact product selection?
How do 2024-2026 rate forecasts impact product selection?
What are the common pitfalls in 'Closed' mortgage contracts?
The 'Bona Fide Sale' clause is the main pitfall — most closed mortgages only waive the penalty for an arm's-length sale, not a refinance or family transfer.
How does the Dec 2024 switch rule apply to these products?
Since Dec 15, 2024, borrowers can switch their insured 'Closed' mortgage at renewal without a stress test.