Use Add a Product feature to create a new listing by matching to an existing product detail page in the Amazon catalogue.
Watch this video below to learn how to add an offer to an existing product:
You can also create a new detail page for a product that does not yet exist in the catalogue and then create a listing for that product. Learn more about creating a new listings by watching this video below.
For more information, see Add one product at a time.
After you create a listing, use Manage Inventory to make changes to listing or product data: