This article explores how major retailers and ecommerce brands are shifting away from short-term ROAS metrics toward lifetime value (LTV) and long-term customer profitability. It explains how affiliate marketers can use competitive intelligence and sustained advertiser spend patterns as proxy signals for high-LTV verticals and more stable offers. The article also highlights how tools like Anstrex help affiliates identify profitable categories, analyze long-running campaigns, and build smarter long-term media buying strategies.