Oops! You open your credit card statement and discover you forgot to make last month's payment. Or a collections agency calls about a bill you didn't even know you had. How bad is it? How much does a single late payment affect your credit score?
Habits are hard to break: Just when you think you're firmly in control, you backslide again. According to CardHub.com, U.S. consumers accumulated a staggering $18.4 billion in credit card debt in the second quarter -- 66% more than they accumulated in the same quarter a year ago.