This Mottly Fool article from 2013 also rates Trumps school very badly.
Your link warning of the pitfalls of "get rich quick schemes in real estate", closes with this…
"Warren Buffett: This new technology is a "real threat" At the recent Berkshire Hathaway annual meeting, Warren Buffett admitted this emerging technology is threatening his biggest cash-cow. Buffett's fear can be your gain. Only a few investors are embracing this new market, which experts say will be worth over $2 trillion. Find out how you can cash in on this technology before the crowd catches on, by jumping onto one company that could get you the biggest piece of the action. Click here to access a free investor alert on the company we're calling the brains behind the technology. "
I guess get rich quick stock endeavors are A-OK !!