The last glacial cooling period ended approx 11,700 years ago.
If you were somehow alive then and able to put somehow $10,000 away to save every day and let's say to be nice, each year was 365 days long; when you reached this year you would have saved $42,705,000,000.
Here is Forbes top 40 Billionaires:
https://www.forbes.com/real-time-billionaires/#9beba583d788
You would be at 39.
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Elon has 291 Billion.
You would need to have saved for 81,900 years to currently surpass him.
We were just in the Upper Paleolithic period.
And 71 million people here just said: Sure, you can buy a country sir, our country in fact.