Contrary to his claims that he only received a “small loan” of $1 million to build his business, Trump inherited some $413 million from his father. Despite the estate tax being 55%, by using a variety of illegal means to transfer wealth, Trump’s father paid about $25 million in taxes to transfer about a billion dollars to Donald and his siblings.

The New York Times – Trump Engaged in Suspect Tax Schemes as He Reaped Riches From His Father
Bloomberg – New York Times: Trump Got $413 Million From His Dad, Largely From Tax Dodges
The Economist – Donald Trump’s inheritance
PBD – NYT investigation unearths new details about Trump’s early millions
Business Insider – If Trump had done nothing but invest the ‘small loan’ his father gave him, he’d still be worth about $2 billion today
Business Insider – New York Times report says Trump engaged in ‘outright fraud’ to avoid taxes as he inherited father’s wealth — worth more than $400 million in today’s dollars