1. Let card issuers know you're traveling
Remember as a teen when you had to let Mom and Dad know you were leaving the house, where you were going and when you'd be back? Now, your card companies should get that call.
Many credit card and debit card issuers are using security software and other means to fight fraud, says Susan Tiffany, who retired in 2015 after 17 years as director of consumer periodicals for the Credit Union National Association.
If you normally buy shoes on Michigan Avenue in Chicago and suddenly you're buying croissants on the Champs Elysees in Paris, there's a chance your card could be declined or suspended.
"If you're going to be outside your normal stomping ground, make sure you let your card issuer know," Tiffany says. "Even if you're just going to a different state, it never hurts."
And that goes for credit and debit cards, she adds.
Bonus travel tip: While you have that debit card issuer on the phone, ask if you have a daily spending limit or daily ATM withdrawal limit, Tiffany says. Not every card does, but it's something you want to know before you leave home.