When you carry a balance, the repayment schedule can matter more than the rewards rate. Compare how much you will pay and how long you will need, using a payment you can maintain. The purchase rate alone is only one part of that picture.
Understand which balance you are paying
A statement can contain purchases, cash advances, transfers or instalments with different conditions. FCAC explains that federally regulated issuers provide a purchase grace period of at least 21 days; it does not apply to cash advances, cash-like transactions or balance transfers. Use the agreement to check how interest applies when the statement is not paid in full.
Distinguish the current balance, statement balance and minimum due. New purchases made after the statement closes are not necessarily due on that statement’s payment date. Conversely, making the minimum does not mean the account has been repaid. Match your payment to the correct statement and allow for the issuer’s processing time.
Worked example: payment size changes the result
Start with $3,000 at a hypothetical 20% APR, with no fees or new purchases. Use a simplified monthly model: interest at APR ÷ 12, followed by the payment at month-end.
Fixed payments; the last payment is smaller
| Payment per month | Time to clear | Total interest |
| $100 | 42 months | $1,193.50 |
| $200 | 18 months | $481.27 |
| $300 | 12 months | $309.13 |
These are fixed-payment examples, not an issuer’s minimum-payment formula. Actual daily interest, transaction timing and rounding can change the result. They show why a larger affordable payment changes both the timeline and total cost.
Put rewards and interest on the same scale
For a rough illustration, an unchanged $3,000 interest-bearing balance at 19.99% over 30 days produces about $49.29 using principal × APR × days ÷ 365. Meanwhile, $500 of hypothetical purchases earning 2% produces $10 in rewards. These separate illustrations show the scale of the tradeoff; they do not reproduce a statement or assume every transaction has the same interest treatment.
A rate reduction can help, but compare the account fee and expected balance as well. If the balance will be repaid quickly, a fee can use up part of the saving. If debt persists, interest becomes more important. Run both an optimistic repayment plan and a slower one rather than choosing solely from the advertised rate.
Make the plan resilient to a difficult month
Choose a regular payment that leaves room for essential expenses. Keep a separate view of planned spending and existing debt so that everyday purchases do not quietly cancel your repayment progress. An extra payment is helpful when affordable, but a plan that depends on perfect monthly income is harder to maintain.
FCAC notes that paying only the minimum extends repayment and increases interest compared with paying more; minimum-payment rules depend on the agreement and may vary by province. The statement’s minimum due remains a requirement even when your personal repayment target is higher. If your planned payment is lower than the required minimum, the plan needs to change.
Use the statement as a progress check
Track the remaining principal, interest charged and expected finish date. If the balance is not falling as planned, identify whether new purchases, fees or an unaffordable payment are responsible. After clearing a balance, inspect the following statement for any remaining charges instead of assuming a zero shown mid-cycle settles everything.
If repayment is becoming unmanageable, contact the issuer early and compare any offered arrangement by total cost. A calculator can clarify the numbers; it cannot guarantee approval for another product or resolve a budget shortfall on its own.
Prioritize a result you can maintain: an affordable payment, a falling total balance and a finish date that survives an ordinary setback.