What is something that only the 1% richest people understand that the rest of us don't?

Elon Musk Learned About space and Aeronautics from the Books.

Bill Gates reads a book in a week.

Warren Buffet invests 80% time in reading daily.

Mark Zuckerberg invests his free time in reading.

What is something that only the 1% richest people understand that the rest of us don't?

The 1% Rich People knows that Knowledge is Power the More you acquire the knowledge the richer you become.

Source : Quora