These typically low-maintenance vending machines might not be glamorous, but the quarters do add up. A refurbished vending machine could cost you less than $50 and bring in $30 per month with only ...

Bri Bucks purchased a vending machine for her hair salon hoping to earn passive income. In the first three weeks of operation, Bucks earned nearly $300 from her drink-and-snack machine.

We don’t have to do anything,” said Barnosky. ... and a bacon cheeseburger beef stick. “These vending machines are going to allow us to expand our business without having to open more stores.