how do balance transfer credit cards work 
balance transfer credit cards allow you to move some or all of your balance on an existing credit card to a new card typically one with a low introductory interest rate for a certain period of time balance transfer cards can save you money in that way but they typically charge fees equal to a percentage of the amount you re transferring such as 3 to 5 so there are costs to weigh the bottom linethe purchase apr on your credit card is important to consider if you expect to carry a balance on the card rather than paying it off in full each month aprs can vary widely from card to card and some cards offer low or even 0 aprs for a limited period of time 