Credit Card Payoff

Credit card debt compounds against you, and it does so with two features that make it more expensive than the headline rate suggests.

The first is the shrinking minimum payment. Minimums are typically calculated as a small percentage of the current balance, so as the balance falls the required payment falls with it. Paying only the minimum therefore stretches repayment across many years, and cumulative interest can exceed the original amount charged. Paying any fixed amount — even the current minimum, held constant as the balance drops — breaks that pattern and shortens the timeline dramatically.

The second is daily compounding. Most cards apply interest on a daily periodic rate against the average daily balance, so interest accrues on interest within the same billing cycle. That makes the effective annual cost slightly higher than the stated APR.

The grace period is the escape route. Pay the statement balance in full by the due date and no interest is charged on purchases at all — the card is free credit. Carry any balance and the grace period is typically lost, meaning new purchases begin accruing interest immediately rather than after a month. This is why the gap between paying in full and paying almost in full is much larger than it appears.

Two further traps. Cash advances usually carry a higher rate, an upfront fee, and no grace period, so interest starts on day one. And balance transfer promotions can genuinely help, but check the transfer fee and what rate applies when the promotional period ends — a transfer that is not paid off within the window can leave you worse off than before. Everything runs in your browser — no login, no upload, and no figure you enter leaves the page.