If you are somewhere between 18 and 27, you have something most travelers spend decades trying to buy back: time, flexibility, and a high tolerance for the kind of inconvenience that turns into a good story. You may not have much money. You do not need much money. What you need is a plan, a few good habits, and the confidence to leave. This guide is built around five questions that decide whether a trip works: How will I pay for it? Where should I go? How do I stay safe? What will I actually do there? And can I keep it going?