what does fba amazon mean refers to Fulfillment by Amazon, a service that Amazon offers to sellers. When you use Amazon FBA, you store your products in Amazon’s fulfillment centers, and they handle the shipping, customer service, and returns for you. This allows sellers to reach Amazon’s vast customer base and take advantage of Amazon’s logistical expertise. FBA is an excellent choice for anyone looking to scale an e-commerce business without worrying about inventory management and fulfillment.