Product merge to get the benefit of customer reviews

To merge two separate ASIN/Listings
They have to be variation of same products.
variation/ ASIN would be:
-new different color
-new upgraded version
-different design or theme
-different package quantity (2-pack)
Then you would want to add new Variation ASIN on.

All the Reviews you’ve got will be shared to new parent listing
Creating a Variation/ Linking 2 separate listings (child) together with a “Parent” listing:
If you have current ASINS or Listings and wish to create a “parent Listing to Link them up all together&
Create or have 2 separate listings and then create the “parent listing” that hosts the 2 child listings/ variations. This will make it so the customer has the option to choose which color they want to buy all from just the same 1 listing. Here are the steps: You created the 2 separate child/ variation listings that’s right> Now you just have to go create a new listing “the parent listing”> same way you did color variations except after you go to catalog>add products> adding a product not sold on amazon> choose same category as variations> then go straight to the “variations” tab (skip “vital info” for now)> go to variation tab then enter colors> add them> then go down below and copy and paste those 2 variation’s ASINS # into there> fill out other required info like price, quantity then> offer tab at top> then vital info enter w/ Band name and product name/ title. Save and finish now You have the parent listing hosting the 2 variations listings. Parent listing you will not work on anymore it’s not for sale. You’ll just work on the “variations” ASINS uploading bullets, description, title, images, keywords, Etc.