How many vending machines are needed to earn $100k? "Has become the core concern for self-service vending machine entrepreneurs worldwide. With the global vending machine market expected to surpass $30 billion by 2027 and maintain an annual growth rate of over 10%, more and more entrepreneurs are flocking to this low threshold, high flexibility track. But the answer is not a fixed number - it depends on multiple factors such as location selection, equipment type, and operational efficiency. Today, we will use real data and industry cases to calculate this "profit account" for you, while revealing popular self-service vending machine profit tips to help you avoid detours.