Decide what to promote, how much to spend and what to optimize next
Create a plan backed by data and set your expectations right and be confident.
Don't do guess work, make informed decision. Use the planning done in a way top spending AMS companies do.
Understand cost of advertising
To the category, ACOS of targeting the category at different price brackets, ACOS of targeting competitors.
Understand the number of visitors
On Amazon searching for your product. Understand the conversion ratio.