Anyone know of good technology based 'rags to riches'. Something like
https://storiesonline.net/s/75651/a-new-past
although not necessarily a DoOver, just the MC using inventions or industry (as opposed to playing the stock market or art or winning the lottery or inheriting stuff) to go from Rags to riches.
It doesn't matter if the technology is real or not, but it should be realistic in the story and treated as a technology to be developed, not magic handed to the MC.