I’ve traveled a lot in my life. It’s a hobby I love, and I’ve visited 45 countries so far. I spent a good portion of my 20s on planes, for work and for fun. For most of that time, I had no idea how to travel light. I aimed to make my checked luggage exactly 50 lbs, maximizing what I could bring while avoiding fees. On top of that, I’d bring a heavy carry-on and a large backpack on the plane – stretching airlines’ definition of “personal item” to the limit.  I mentioned in my minimalism story that when I…