Product Placement
When you place your products in the Amazon.com catalog, anyone browsing Amazon.com can find them and buy them. After customers find what they want, they can put the product into the shopping cart (and ultimately purchase the product) using one of three methods:
By using the Add to Shopping Cart button (in the "Ready to Buy" box, or the "Buy Box").
By browsing seller offerings in the More Buying Choices box and then clicking the Add to Cart button next to the seller from which the customer wants to purchase the product.
By clicking the "used & new" link, browsing all offering for the item, and then clicking the Add to Cart button next to the seller from which the customer wants to purchase the product.
Note: If there are no used listings, the link will say "# new.