Many people are seeing the low interest rates that are out there and think that they are for everyone. Well, think again. In order to get these low rates, you need to have a great credit score, so how can you boost your credit score? One part of creating a high credit score is paying your bills on time, but the credit card piece of the puzzle is where many people become confused. How many credit cards should you have, do you need to pay in full, should you cancel them if they are paid. This NBC video answers some of these common questions.