Amazon FBA Seller Guide 2026: How to Start, Understand Costs, and Build a Profitable Business
An Amazon FBA seller sells products on Amazon and uses Amazon's fulfillment service to store inventory, pack orders, and ship products to customers. Amazon can also handle customer service and eligible returns. The seller still manages product selection, pricing, sourcing, and business decisions. For beginners, the first challenge is knowing where to start. Experienced sellers face a different problem: keeping costs under control while growing sales. Understanding how Amazon FBA works can help both groups make better decisions. What Is an Amazon FBA Seller? FBA stands for Fulfillment by Amazon. It allows sellers to send their products to Amazon's fulfillment centers instead of storing and shipping every order themselves. When a customer places an order, Amazon handles the fulfillment process. This saves time, especially when order numbers increase. However, FBA does not mean Amazon runs the entire business for the seller. The seller must still choose products, man...