My son has a PhD and is a Director of Technology, BUT he is also a carpenter and a mason.
Bingo! Diversification.
Your has a lot of talent, what gets me is if someone cannot secure and hold a job as a chemist what makes them think they can be a plumber, carpenter or a mason?
My son has a PhD in physics. I advised him to get a job in the defense industry, he did in the LA area. He's still at Northrup-Grumman but is making more money 'flipping' houses on the side.