Earlier quoted context omitted.
Forget white collar. Figure out a career that makes use of your hands. Or make enough money to retire in the next couple years.
Unironically the most simple (note; not easy) way to become a multi-millionaire. Do a trade in your 20s, leverage that into running your own trades business in your 30s, and have a >10m valuation business by your 40s. Really regret not doing that myself.
Or work in start up, get acquired, and chill after ?