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It used to be that going to a vending machine was a last-resort transaction. Even just a decade ago, you were probably buying something you didnʻt really want in the first place and eating it only ...

Vending machines are popular side hustles, thanks to founders who share their stories on social media. Vending-machine businesses require minimal investments and are low-maintenance to operate.

Crystal Warren started her vending-machine business as a side hustle in 2016 while still a teacher. Now, she runs the business full time and finds locations for other entrepreneurs. Last year, her ...