I'm sure his companies, stockholders and stakeholders never benefited. Yep, he did it all just to fatten his own bank account.
You suck at math.
Yes, he did it for his own welfare. That some others benefited was a peripheral issue. He had a reputation for stiffing contractors the final 20% he owed them on construction contracts. He also hired Polish workers at below $5.00 an hour to do high rise construction and they weren’t even provided hardhats.
Many made money, but many of them lost their investments in trump’s various corporate bankruptcies and other failed ventures, and sometimes, even in his successful ones.