what is fba selling on amazon refers to the business model where sellers use Amazon’s Fulfillment by Amazon (FBA) service to handle the storage, packing, and shipping of their products. Sellers send their inventory to Amazon’s fulfillment centers, and when an order is placed, Amazon fulfills the order on the seller’s behalf. This service is ideal for businesses that want to leverage Amazon’s shipping and customer service expertise while focusing on product sourcing and marketing. FBA selling is one of the most popular and efficient ways to sell on Amazon.