19 Genius Travel Secrets From Frequent Flyers

Does carry-on-only travel seem unrealistic? Here's a tip from Guillebeau that will help you work up to it: "Make a rule to only take things you actually use on the trip. So when you get back and realize there are shoes or clothes or just stuff you never used, you don't take it next time." After a few trips, he promises, you'll easily be down to a carry-on.