I think it is great that you are encouraging your sons to be creative.
When I was in Jr. High and High School I was drawing animated cartoons, giving puppets shows and eventually building my own dune buggy. I was very hands on and creative.
When I got to college (went to Stanford) I just kept on going in that vein, and declared an art major. My parents and I fought quite a bit about this, but eventually they realized I was serious. Because I loved my major so much I was very motivated and graduated with Distinction. I was one of two painting majors in my entire class.
I went on to get an MFA in Painting, and have had a great, very happy career as an artist and as a Community College art professor.
My stepson recently graduated with an MA in Urban Planning from UCLA, but what got him through school — and also got him scholarship money — was that he excelled in dance. That took a lot of confidence on his part, as boys take a lot of ribbing if they dance, but he just didn’t listen.
You might enjoy this book: The Rise of the Creative Class
JS
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Not a real estate professional, just someone who follows the market http://www.johnseed.com