ACOS is Advertising Cost Of Sales. Amazon sponsored products or the so called Amazon PPC ads, have several metrics to take into consideration when reviewing your Amazon Ad reports. Share this post Share on FacebookShare on Facebook Share on LinkedInShare on LinkedIn TweetShare on Twitter Pin itShare on Pinterest Related postsA/B Testing Your Amazon ListingsSeptember 29, 2020What is Private Label?May 18, 2020Amazon PPC and Sponsored AdsMay 18, 2020Amazon Business ConsultingFebruary 13, 2020