During the California Gold Rush, Samuel Brannan capitalized on the gold discovery by buying up all the picks, shovels, and pans he could find, then reselling them at a significant profit.

He purchased pans for 20 cents each and resold them for $15 each, making $36,000 in nine weeks

https://en.wikipedia.org/wiki/Samuel_Brannan

From the movie R.O.T.O.R

https://www.themoviedb.org/movie/31127-r-o-t-o-r