If you're paying 20–29% APR on credit card debt, a balance transfer card might be the single most effective debt payoff tool available to you. By moving your balance to a card with a 0% introductory APR, every payment you make goes directly to principal — not to the bank.
How Balance Transfers Work
You apply for a new credit card with a 0% intro APR offer on balance transfers. After approval, you request to transfer your existing balance. The new card issuer pays off your old card, and you now owe that amount to the new card — at 0% for the promotional period (typically 15–21 months).
The Transfer Fee
Most balance transfer cards charge a fee of 3–5% of the amount transferred. This fee is charged upfront. On a $5,000 balance, a 5% fee means you start with a $5,250 balance on the new card. That said, this fee is almost always less than one month's worth of interest at 20%+ APR — making it worth it for virtually any balance you can pay off within the promotional period.
The Math That Makes It Work
Say you have $6,000 in credit card debt at 24% APR. The minimum payment might be $180/month, of which $120 goes to interest and only $60 to principal. Transfer it to a 21-month 0% card with a 5% fee ($300), and a $300/month payment eliminates the entire balance in 20 months — and you've paid zero interest.
What Can Go Wrong
- Missing a payment often voids the 0% rate entirely — set up autopay
- Making new purchases that start accruing interest immediately (read the fine print)
- The promotional period ends before the balance is paid — have a plan
- The balance transfer fee is charged upfront, not deferred
Is a Balance Transfer Right for You?
A balance transfer makes sense if: you have high-interest credit card debt, you qualify for a balance transfer card (typically requires good credit, 670+), you can realistically pay off the balance during the 0% period, and you can avoid adding new debt to your old card. If you're unable to pay off the balance in time, consider a debt consolidation loan with a fixed rate instead.