> You will not know when and how much money you are loosing from your credit card If you aren't reviewing your credit card bill each month before you pay it, y

> You will not know when and how much money you are loosing from your credit card If you aren't reviewing your credit card bill each month before you pay it, you're doing it wrong. It takes less than 30 seconds a month and you'll avoid exactly this sort of problem ("hmm, I thought I cancelled that last year").