marketplace changes

Marketplace changes on WindowsForum.com cover platform policy updates, postal rate adjustments, and fraud prevention measures affecting small ecommerce sellers. Recent discussions highlight Amazon's agentic AI checkout experiments, Microsoft's Copilot Checkout consent-forward in-chat purchasing, USPS parcel and rate changes impacting seller margins, and Poshmark's expanded USPS supply ordering. Gumtree's shift from classifieds to transactional model is also noted. These marketplace changes force sellers to balance convenience with control, as platform rules and shipping costs evolve. The tag aggregates threads on how these shifts affect small business operations, fulfillment, and compliance.