Some lenders would like you to think that not paying off your balance each month is better for your credit rating.
The credit card giant is moving into the lucrative US person-to-person payment market.
Writing 'Check ID' on the back won't help. Nor will buying credit card fraud insurance.
Credit and charge cards that have no preset spending limit aren't really a license to charge as much as you'd like, and they can damage your credit score.
Leaving the waitstaff bills for a tip will simplify their lives and make sure the money gets to the right place.
A new book suggests that it may be because they're afraid of debt.
How a $3,000 purchase can turn into one that costs you $6,641.
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The company is looking at futuristic ways of providing information to users. Chip implants are a long ways off, however.
The Market Dispatches column has been discontinued. Here's where to find the latest stock and business news on MSN Money, and the latest from market writer Charley Blaine.
MONEY & POLITICS
Breaking up big banks is an untested solution to the too big to fail problem that attempts to isolate and dismantle large, troubled institutions while protecting the rest of the economy.
The IRS is struggling to combat identify thieves who file fraudulent tax returns in the names of older residents who don't need to file.