There is no reason why market for plumbing will get much larger than it is now (which is not too large)

Where I live it's bathroom and kitchen tiling

This is kindof the opposite? Man + AI > either man or AI. I'd say "learn to work with Claude" is the better lesson here.

I know your reply was half joking, so please take this the same way, but ... are you sure about that? https://www.youtube.com/watch?v=p1ip68Vv7NE

AI isn't replacing anything, get over yourself.