products marketplace refers to a platform where various sellers list and sell their products to a broad customer base. Amazon is the largest products marketplace, offering millions of products across different categories. Other examples of products marketplaces include eBay, Walmart Marketplace, and Etsy. These marketplaces allow sellers to reach global audiences without the need to build their own website or invest in complex infrastructure. The key to success on a products marketplace is optimizing product listings, managing inventory, and delivering excellent customer service.