I am really good with my hands and I should have been a tradesman and worked tax free. I would have still filed a return with bare minimum amounts to make it look good.
I have never been formally trained or employed doing it but fabricating and repairing little things is one activity that brings pleasure to me — like a little clamp I made for a motorcycle this morning. Wish I had invented the Easy-Out screw extractor — which I need for another project right now.