On vacation, a credit card can be a lifesaver -- but a serious credit card crisis can wreck even the best-laid travel plans.

While you may not be able to keep the airline from losing your luggage, you can avoid many credit card catastrophes -- or at least minimize the damage they cause -- with a little bit of advance planning.

Here are some credit-related problems that can wreak havoc on your well-deserved holiday, and some tips on what you can do to avoid them, well before you board the plane or pull the car out of the garage:

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