You don't have to travel, but I find extended travel to be a helpful tool for reexamining yourself and the constraints you've artificially placed on your life. It's easy to believe everything has to be done one way if you're always in one place around the same people.
Tim FerrissIf you spend your time, worth $20-25 per hour, doing something that someone else will do for $10 per hour, it's simply a poor use of resources.
Tim FerrissThe best results I have had in my life; the most enjoyable times, have all come from asking the simple question: 'What is the worst that could happen?'
Tim Ferriss