19 Genius Travel Secrets From Frequent Flyers

Instead of spending all your extra cash on junk at the airport, save a few bills and coins for your next trip. I like to put each type of currency in a plastic Ziploc bag. Before I head abroad, I'll swap out my dollars for the appropriate foreign currency. Planning ahead like this will save you time and stress when you land. If you have a leftover metro card or tickets, throw them in the baggie, too.