Woodworking. I have variously built furniture and done small turning projects (bowls and boxes), which I have found to be very satisfying. Similarly, there ar

Woodworking. I have variously built furniture and done small turning projects (bowls and boxes), which I have found to be very satisfying. Similarly, there are a few suppliers for instrument making of various kinds and from various levels of "scratch" building. I have enjoyed finishing and assembling a couple of guitars, and I could see doing that full-tim for customers who are willing to pay a premium for custom work. I've also toyed with the idea of wooden boat-building. Having put together a Puddle-Duck back in the day, I think this could be a satisfying craft to practice, but the barrier to entry is higher, and the market might be a little harder to break into.