Will we always have business as a career choice(right answer gets 10 point)?

I am 15 and I don't know what I want my career to be. I wanted to be sort of a handy man, you know I could fix air conditioners, cars, refrigerators, plumbing, roofing, electrician, construction like my dad did(he could do everything)And I want to be like him but I also want a job that won't be to hard on me like my dads back is bad. I am used to a more cushioned life style and i was just wonder will we always have business because to me job stability is everything right now.