Demand prediction has become a big business. Google, Facebook, X etc.thrive on helping predict demand levels as well promote products. Google is doing well because of their ability to make the best demand prediction for existing products and predict future trends. The current purchasing system is causing economic waste. Today if products are not sold, they are dumped by supermarkets, wholesalers, warehouses, and factories. But if an efficient purchasing system where customers' credit card approval immediately triggers factory robots to manufacture products,itis possible to cut out the need to make demand predictions. This will lead to a purchasing system where customers deal directly with factories, which is favorable to producers as they reduce waste due to improper demand prediction and customers who will have to pay less as the middlemen are cut out; the typical manufacturing cost is only 10% of what customers pay for products.