Shipping Inventory to Amazon Questions on shipment creation, product packaging, product restrictions, and shipping best practices. FBA Orders and Customer Service Questions on returns, refunds, feedback, and other policies related to FBA orders. Multi-Channel Fulfillment Questions about using your Amazon inventory to fulfill orders from off-Amazon sales channels. Fulfillment Reports Questions on sales, inventory, payments, and other fulfillment-related reports. General FBA Questions You sell it, we ship it. Questions on using Amazon’s fulfillment service.