How much Ethereum should I buy to be a millionaire today?

Dear expert, I'm fascinated by the world of cryptocurrency and am eager to make my fortune in Ethereum. Could you please advise me on how much Ethereum I should purchase today to become a millionaire overnight? I've heard stories of people becoming millionaires overnight through cryptocurrencies, and I'm hoping to replicate that success. Of course, I understand that there are risks involved, but I'm willing to take them. Could you please help me with a rough estimation? Thank you in advance for your time and expertise.