I made nearly $300 in 3 weeks after putting a vending machine in my hair salon. Here's my advice on choosing a machine, where to place it, and which items to stock.

• 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.
• Here's her advice on what type of machine to get, where to place it, and what items to stock.

Late last year, Bri Bucks was looking for a way to earn some extra cash on top of what her hair salon and business-coaching businesses. She purchased a snack-and-drink vending machine to put in her salon in the hopes of reaping some passive income.