That promotional offer might be perfect. Or it might not.
Your mailbox and inbox are flooded with these pitches: Switch to Credit Card X and enjoy a very low – or even 0% -- rate for a specific period of time. Should you jump at the opportunity? It depends. This calculator can help you take a deep dive into any special offer, examining the length of the promotional period, the long-term rate on the new card, and any balance transfer fee to see if switching to another credit card is the right move for you.