If you have something that you are better at than others,.... work for cheap until you can show them ur the guy they want in charge, you start your own business, or you have dirt on them or get hurt and then you are less fireable. There's ways. Cnc programmer is ez to practice at home on hot software., pays well but boring.
So high school dropout doesn't look great, just tell em what school you went to and bullshit the rest. I am Hs grad only. Worked hvac, airplane painting, cnc setups and programming, tig welding, and finish carpentry was the easiest money. Carpenters union just doing trade show stuff is pretty ez to get into and work up to higher pay. Or the Oz equiv