Starting a vending machine business is simple and scalable. Begin by choosing a niche, snacks, drinks, healthy options, or specialty items. Research high-traffic locations like offices, gyms, schools, or apartment complexes, and secure placement agreements with owners. Purchase reliable machines (new or refurbished) and stock them with popular, cost-effective products. Set up a restocking schedule, track sales, and adjust inventory based on what sells best. As the business grows, add more machines and expand to new locations for steady passive income.