This is excellent advice, and I wish I'd read it 3 years ago. Jason Fried said something very similar a while ago, recommending learning to sell something, anyt

This is excellent advice, and I wish I'd read it 3 years ago. Jason Fried said something very similar a while ago, recommending learning to sell something, anything, before starting on your dream project. Even buying and reselling iPhones on eBay can teach you a lot of the basics - and you want those basics in place when you're starting to actually set up something ambitious.