"The State of US Omnichannel 2026" by RETHINK Retail examines how the retail landscape has shifted from offering basic channel options to mastering underlying unit economics and operational synchronization. The report details why having an omnichannel feature checklist is no longer enough, analyzing how industry leaders like Walmart, Target, and Macy's optimize store-led fulfillment, AI-assisted discovery, and inventory truth, while others falter under return costs and financial strain. Complete with real-world case studies and a strategic action plan, this publication provides actionable insights on how to streamline reverse logistics, protect margins, and drive profitable growth across physical and digital touchpoints.