Career choices and best way to start myself off

Im not as seasoned as a couple of these fellows (Im only 46) but the advice given is solid. I can only add, is to hone your skill on what you have (old or late model car) but keep your eyes on the future. The reality of a projected 9 billion people on the planet by 2050 puts transportation in a different light. Be it self driving or electric cars, be aware of whats next so you are the one working smart in the shop, the one that has some knowledge in his back pocket.

But pretty much what George said will get you there. Stay sharp. Think about what you are doing, but open to whats next.