A full-time engineer with multiple side hustles found the most passive one: ATMs and vending machines earn him $1,500 a month for a few hours of work

William Butterton doesn't believe in passive income, but he thinks he's found the closest thing: ATMs.
KSAT

How cryptocurrency ATMs play into scammers’ plans and how to avoid them

Amid the continued popularity of cryptocurrencies like bitcoin, it’s not hard to find cryptocurrency ATMs or kiosks at gas ...