1. Seller selects a product. You choose items to sell in your online store (you have the options to sell on Ebay, Shopify, Amazon, Facebook, or your own website).
2. Customer orders from your store. When someone buys from your store, you purchase the product for a cheaper price from a third party (like a supplier, wholesaler, or from sites like Walmart or AliExpress).
3. Supplier ships directly to your customer. The third party ships the product directly to your customer.
4. You Profit. You make money by selling the product at a higher price than what you paid.