Today’s top story: Understanding the difference between a credit card and a charge card. Also in the news: Why using a credit card for financial emergencies isn’t always a good idea, the fees of 13 major airlines, and why you shouldn’t trust most retirement calculators.

What’s the Difference Between a Charge Card & a Credit Card?
It’s a big one.

Using a Credit Card for Financial Emergencies: Rarely a Smart Move
An instant solution can lead to heavy interest.

This Chart Lists the Many Fees of 13 Major Airlines
Don’t be caught by surprise while traveling this summer.

Why You Can’t Trust Those Retirement Calculators
Some could be missing vital information.