what’s fba on amazon refers to Amazon’s fulfillment program that allows third-party sellers to store their products in Amazon’s warehouses. When a customer places an order, Amazon handles the packing, shipping, and customer service. FBA is popular among entrepreneurs because it reduces the logistical burden of managing inventory, allowing them to focus on growing their business. By using FBA, sellers also gain access to Amazon’s Prime customers, improving their product’s visibility and sales potential.