Vending business. Looking for a part-time business? Try vending. Business Overview If you want a retail operation that you can run at just about any location, 24 hours a day, without having to be there yourself or hire a single employee, one that can service thousands of customers without complaining, getting aching feet or having to take a bathroom break, then vending machines could be the business for you. These days vending machines can take not only coins, but also...