A credit card hack is what you need before traveling abroad, and this is a simple one. Take a few minutes to call each of your credit card issuers and give your travel dates and destinations.
Before you take your international dream vacation, be sure that you will be use your credit cards while you’re there! Call the issuer for each of the cards you’ll use, and ask that a note be added to your account indicating that you will be traveling internationally. Otherwise your charges may trigger a “freeze” on your funds that puts a damper on your fun.