Yes, people making billions also worry every day. Highly successful people and self-made billionaires have a lot to worry about and it is not mostly about making money.
They can worry about small things or a deviation from their daily habits. Billionaires such as
Mukesh Ambani, Azim Premji, Warren Buffett,
Bill Gates, Oprah Winfrey, etc worry and procrastinate daily just like normal beings.
Here are 7 billionaires who worry a lot and this is what they worry about