ChatGPT said: Customer Acquisition Cost (CAC) is a vital metric in Amazon PPC advertising because it directly impacts profitability and campaign efficiency. By understanding how much is spent to acquire a single customer, sellers can better assess the return on investment (ROI) of their ad campaigns and make smarter budgeting decisions. High CAC can indicate overspending on poorly ta... https://www.brandscapeventures.com/blog/amazon-ppc-customer-acquisition-uk