Amazon PPC Bid Strategies: Down Only, Up & Down or Fixed — Which Wins
The One PPC Setting That Quietly Decides Your ACOS Karthik Menon from Coimbatore ran two Sponsored Products campaigns for his stainless-steel water bottles. Same keywords. Same ₹18 bids. Same daily budget. One campaign held a comfortable 24% ACOS; the other crept past 60% and kept climbing. He spent a week convinced Amazon had a bug. […]