What Is a Balance Transfer Fee?
How the fee works
When you move debt to a card with a 0 percent intro APR, the new issuer charges a balance transfer fee, typically 3 to 5 percent of the transferred amount (sometimes with a flat minimum). It is added to your new balance. A $5,000 transfer at 4 percent adds $200, for example.
When it still pays off
Do the math: the fee is a one-time cost, while the interest you escape is ongoing. Carrying $5,000 at 22 percent costs about $1,100 a year in interest, so a $200 transfer fee to get 0 percent for 15 months is a clear win, provided you pay it off before the intro period ends. The fee only fails to pay off on small balances you would clear quickly anyway.
Minimize or skip it
Look for cards with a lower transfer fee or an occasional no-fee transfer promotion, and confirm the intro length and payoff plan first. If you can clear the debt fast, a low-rate personal loan with no transfer fee may beat it. The transfer is a debt tool, not a rewards play; the goal is paying zero interest while you clear the balance.