Warren Buffett likes to say he has never borrowed, nor ever will borrow, a lot of money.
Q2 2021 hedge fund letters, conferences and more

For example, in 1991, Buffett was asked by a Notre Dame student about Donald Trump's money troubles. He said Trump failed because he borrowed too much:
"I've seen more people fail because of liquor and leverage – leverage being borrowed money. Donald Trump failed because of leverage. He simply got infatuated with how much money he could borrow, and he did not give enough thought to how much money he could pay back."
Buffett also told students that he's avoided these problems throughout his career...

