Home » Amazon Sponsored Ads Foundations » True or false? If an advertiser’s goal is sales efficiency, they should decrease bids on keywords with high ACOS. True or false? If an advertiser’s goal is sales efficiency, they should decrease bids on keywords with high ACOS. 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