Credit cards are like relationships. It's sometimes hard to break up and the split may hurt you more than the other party involved. While it may give you all sorts of warm and fuzzy feelings to cut up that credit card, losing the available credit could hurt your credit score and raise the costs of future financing and loans you take out.
Closing a credit card account that you have paid off or don't use seems like a logical thing to do. However, the "credit utilization ratio"…