what is an amazon fba business is a business model where sellers use Amazon’s Fulfillment by Amazon (FBA) service to store, pick, pack, and ship their products. FBA allows sellers to leverage Amazon’s logistics network to manage the fulfillment process, which frees up time to focus on sourcing, marketing, and scaling their business. Sellers can offer fast and reliable shipping to Amazon’s massive customer base, including Prime members, giving them a competitive edge in the marketplace.