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If we assume that it takes 2 seconds to pick up a penny, and you were to pick up pennies continuously, then you would be “earning” only $18 / hour.



Ok, but if I pick up pennies between my car and the grocery store the opportunity cost is basically nil, and then after a few months I'd have a non-trivial amount of cash.


If you picked up 10 pennies a day, you would only have $3 at the end of the month. Assuming you are not living in poverty, these sort of hyper-frugal behaviors are quite interesting to me from a psychological perspective.


So? That's higher than minimum wage. Plenty of people on HN may find it worth their time to pinch pennies.




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