They borrow money to buy assets before bull run
They use borrowed money to make more money.
If u dont learn how to use DEbt to create wealth then u stay poor all ur life.

U never use loaned funds just to buy things for u if u dont have ur own money enough.
First rule you use loaned money to make money.
Stocks and crypto u borrow always before bull run and sell ur assets even the real estate when markets are booming u pay back the loan u wait the market drops u repeat the process.

If anyone start doing this no profit for wall street wealthy guys anymore thats how powerful is investing money what u borrowed.