The duration for evaluating Amazon ad campaigns depends on campaign size, budget, and goals, but a general rule is to run campaigns for at least 2-4 weeks before conducting a thorough review. This period allows enough time to gather sufficient data on impressions, clicks, conversions, and overall performance. During the initial phase, focus on testing different keywords, ad creatives... https://bizistech.com/maximize-your-roi-with-amazon-ad-management-service-and-amazon-cost-per-click-management/