Some people are going to argue that a millionaire isn't really "rich". It's not that hard to become a millionaire if you make a decent income, sock a lot away, and invest in stocks in the 1930-2024 time frame. [1] You'd be pretty old when you make that milestone though.
I think the OP wants to be rich when he's young.
[1] https://www.amazon.com/Millionaire-Next-Door-Surprising-Amer...