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How to Sell on Walmart Marketplace: A Seller's Guide [2026]
Walmart Marketplace has grown from a closed, invite-only platform into one of the fastest-growing third-party marketplaces in the United States, and it now welcomes applications from sellers who can serve American shoppers. For sellers already running on Amazon, Shopify or eBay, it represents a large, lower-competition audience with no monthly subscription fee to get started. The trade-off is a tighter approval process and a marketplace that rewards competitive pricing and reliable delivery above almost everything else. This guide walks you through everything you need to start selling on Walmart Marketplace in 2026: how the application works, what it actually costs, how to choose between Walmart Fulfillment Services and shipping yourself, how to list products and win the Buy Box, and how to keep Walmart in sync once it becomes one channel among several.