I'm in my 60s and firmly believe I could learn just about anything I needed to make a living within a couple years. Obviously excluding things that require a co

I'm in my 60s and firmly believe I could learn just about anything I needed to make a living within a couple years. Obviously excluding things that require a college degree, e.g. doctor, lawyer, architect, etc. I taught myself enough programming to get into Microsoft and enough business to retire from what I earned myself.