Fuego, you are right not to discount those lessons your kids see! I know that my father modeled extreme DIY skills in home repairs, car maintenance, and general handyman talents. I can barely recall an instance of a repair person in our home, growing up. It was just how things were.
As a result, I had very good notions when DH and I started dating. I always say that he had "handy potential" back then, and just needed the right incentives to "bloom".
I am really glad Dad showed us we could figure stuff out on our own. And I'm betting so will your kids.