Home » Amazon Ads Retail Certification » If you have a product you want to sell that already exists on Amazon.com, it must match to an existing product detail page. If you have a product you want to sell that already exists on Amazon.com, it must match to an existing product detail page. Advertisement 5shares Facebook LinkedIn Pinterest Twitter Email True False Join our listSubscribe to our mailing list and get interesting stuff and updates to your email inbox. Thank you for subscribing.Something went wrong.We respect your privacy and take protecting it seriously