Customer Acquisition Costs (CAC) matter significantly in Amazon PPC advertising because they directly impact profitability and long-term growth. Every click and conversion comes at a cost, and without monitoring CAC, sellers risk overspending on ads that don’t generate sustainable returns. By tracking CAC, businesses can identify whether their PPC campaigns are driving cost-effective ... https://www.brandscapeventures.com/blog/amazon-ppc-customer-acquisition-uk