Is That a Business Credit Card in Your Wallet? If it is, forget the Credit Card Act--you're as vulnerable as ever to sky-high rates, erratic billing and unexpected fees.

How important are credit cards to small-business owners?

According to the SBA's annual report to the president, they represent about 70 percent of small-business lending by the nation's largest banks.

More than 85 percent of small businesses use at least one credit card for business, according to a 2009 National Federation of Independent Business report.