If money was no issue, I'd go into carpentry. I find building things out of wood to be immensely satisfying. Everything from the smell of the wood, the differences by wood type, the naturally beautiful look it has, and the usability/UX of the final product tickle me in ways that I haven't experienced before. I've gotten very close with personal software projects, but the physicality of the wood is something software…
But more generally, I would like to commit my time to making the built world more beautiful and sustainable. I despise the obsolescent plastic slop that we all are forced to use, wear, live in, and just see and be around all the time. I find it such a degradation in our society -- the shift in taste and values away from an appreciation of well-made, durable, and well-designed physical objects.