Huh? There are lots of men who became fabulously rich almost overnight in the big gold rushes in the late 1800s.
I'm reading the history of Bodie, CA and Aurora, NV in "Gunfighters, Highwaymen, and Vigilantes: Violence on the Frontier" by Roger D. McGrath and many men became wealthy from gold and silver almost overnight. Mark Twain (Samuel Clemens) staked a very valuable claim that later was worth millions. But through mixups and misunderstandings, the three partners did not do the work needed to "prove" the claim. Nevada mining law required claim owners to perform work or file notice within ten days to maintain ownership. At the stroke of midnight on the tenth day, others swept in and took the accidentally relinquished claim. He and his brother were "this close" to unimagined wealth.
Bkmk