You should take an EAA fabric covering course. I have not but I have heard they are good. May cost a little to travel if you have to but would be worth the $ given the potential investment in a plane/kit.

Most of it is assembly.

Some of the success in this may center more around motivation and how task oriented someone is. Do you finish things you start? If you start something do you work on it every day?

I do something with mine every day. I have built hot rods in the past, always finished them, and timely too - no 10 year projects.