You'd think it would be impossible to lose money from a casino, but Trump somehow managed it.
For the world's sake, let's hope the US economy isn't ruined like most (all?) of Trump's other investments

An old 2016 article
https://www.nytimes.com/2016/06/12/nyregion/donald-trump-atlantic-city.html
How Donald Trump Bankrupted His Atlantic City Casinos, but Still Earned Millions
But even as his companies did poorly, Mr. Trump did well. He put up little of his own money, shifted personal debts to the casinos and collected millions of dollars in salary, bonuses and other payments. The burden of his failures fell on investors and others who had bet on his business acumen.
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Mr. Trump assembled his casino empire by borrowing money at such high interest rates — after telling regulators he would not — that the businesses had almost no chance to succeed.
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His casino companies made four trips to bankruptcy court, each time persuading bondholders to accept less money rather than be wiped out. But the companies repeatedly added more expensive debt and returned to the court for protection from lenders.
After narrowly escaping financial ruin in the early 1990s by delaying payments on his debts, Mr. Trump avoided a second potential crisis by taking his casinos public and shifting the risk to stockholders.
And he never was able to draw in enough gamblers to support all of the borrowing. During a decade when other casinos here thrived, Mr. Trump’s lagged, posting huge losses year after year. Stock and bondholders lost more than $1.5 billion.
All the while, Mr. Trump received copious amounts for himself, with the help of a compliant board. In one instance, The Times found, Mr. Trump pulled more than $1 million from his failing public company, describing the transaction in securities filings in ways that may have been illegal, according to legal experts.
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“He put a number of local contractors and suppliers out of business when he didn’t pay them,” said Steven P. Perskie, who was New Jersey’s top casino regulator in the early 1990s. “So when he left Atlantic City, it wasn’t, ‘Sorry to see you go.’ It was, ‘How fast can you get the hell out of here?’”
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