One of Trump’s very first ventures after graduating Wharton was as an investor in a Broadway comedy called “Paris Is Out!” that flopped
https://www.nytimes.com/2016/03/07/theater/for-a-young-donald-j-trump-broadway-held-sway.html?smid=nytcore-ios-share
Beginning in ‘68, Trump was receiving the 2019 equivalent of $1 million per year in untaxed gifts from his father
Trump was named the President of his father’s company in ‘71
https://en.m.wikipedia.org/wiki/Business_career_of_Donald_Trump
The rest is history, folks!