I use the term "pro" lightly, I consider myself a well rounded cabinet maker with a little talent to do descent quality work, but I am making a living building the things I build.
I do everything myself, but do have a few guys that I can get to help me install, and will grab a neighbor if I help moving something. I've been a 1 man band since 2006, so I pretty much learned how to finagle things by myself whenever possible.
Figuring out how to do something you have never done is what makes a good challenge.