Use negative keywords appropriately across your campaigns.
Pilothouse Senior Amazon Media Buyer Clifford Donovan points out an example of how you can waste a lot of money on ads showing for the wrong keyword.
Don’t do this 👇👇
Weber naturals is running a sponsored brand ad for Vitamin C, but it’s showing on the keyword "vitamin e gummies" (among many other irrelevant words).
This is likely matching a phrase or broad match of "vitamin gummies.”
Effective use of negative keywords can eliminate wasteful ad spend like this, bringing up ROAS.