Customer Acquisition Costs (CAC) are a crucial metric in Amazon PPC advertising because they directly impact profitability and campaign sustainability. CAC refers to the total cost spent on acquiring a new customer through paid ads, including ad spend, discounts, and other promotional expenses. When CAC is too high, it can erode profit margins—even if sales volumes are increasing. Und... https://www.brandscapeventures.com/blog/amazon-ppc-customer-acquisition-uk