Okay, I've gotten over my natural modesty and shyness ...
I'm a very good martial arts teacher. In fact, I made it my career for over 30 years. I still have a private student I've been teaching for 15 years.
Also, and this will sound wacky, I had a certain talent for making large, complicated dollhouses from scratch. It started when my wife said she had never had a dollhouse as a child. For our next anniversary I planned on giving her one.
But instead of doing what a normal, sane person would do - going to the store and buying one already made, or at least a kit - I decided to make this one by hand. I cut scale 2"x4"s and 2"x6"s, cut the flooring out of sheets of exotic woods and marble, installed working electricity and plumbing ... the project just ran away with me.
It ended up finished one day before our anniversary - a 4'x4'x3' monster, built so that it could hinge open in three pieces and mounted on its own table.
After a few people saw it they started asking if I could make one for them. I eventually started a lucrative side-business building dollhouses and ended up exhibiting at a few major shows up and down the East coast.