Many credit card companies offer free credit card balance transfers in order to entice consumers to choose their service over a competitor. In addition, credit card companies may offer a grace period in which no interest is charged on the outstanding balance. With proper diligence, a savvy consumer can take advantage of these incentives and avoid high interest rates while paying down the principal. But be sure to read the fine print, as many credit transfers involve hidden charges, such as one-time fees on the balance transfer.