Margins being high isn't just caused lack of competition, it can also be caused by unwarranted prestige e.g. De Beers diamonds. You could go to an affordable co

Margins being high isn't just caused lack of competition, it can also be caused by unwarranted prestige e.g. De Beers diamonds. You could go to an affordable community college with professors who attend because they enjoy teaching, but then you wouldn't have a sexy expensive degree from MIT/Berkely/Stanford college where the world's most esteemed professors send their TA's to teach you so they can focus on more cutting-edge research.