More than 2,000 people paid $249 each to read the real estate mogul's advice when he delivered his first online lecture on dealmaking Tuesday night on his Trump University Web site.
The developer told students he prefers real estate investments to stocks, adding that he believes fears of a real estate bubble are unfounded, the Daily News reported in Wednesday's editions.
Property values won't sink as long as the dollar is weak and interest rates are low, he said.
But if home values do crash, "Then people like me would go in and buy like crazy," he said. "I know people who are going to New Orleans, who want to take advantage."
"I don't think it's a nice thing to do," he added.
The fourth season of NBC's "The Apprentice," in which candidates compete for a job with Trump, premieres Sept. 22.