Amazon Expands Into DTC Fulfillment, A to Z Claim Friction Grows, and AI Reshapes Discovery

Send us Fan MailThis week’s Selling on Giants breaks down a major shift happening across Amazon, Walmart, and the broader marketplace landscape. The headlines may look unrelated, but they all point in the same direction.Platforms are moving beyond transactions and into infrastructure, while operators face increasing pressure across fulfillment, compliance, and discovery.Top stories this week:Amazon expands Multi Channel Fulfillment for Shopify globallyAmazon extends its MCF Shopify integration into Europe, Japan, and Canada, positioning itself as the fulfillment layer for direct-to-consumer brands. Efficiency increases, but so does dependency.eigh to Z claims continue to create frictionEven with Buy Shipping and proper documentation, sellers report inconsistent outcomes. The process is clear, but enforcement remains unpredictable, shifting risk toward the seller.VAT complexity increases for EU expansionGlobal growth introduces operational overhead, including registration, reporting, and tax compliance across multiple countries. Expansion is no longer plug and play.Operational pressure is building:Supply chain diversification becomes more complexNew restrictions in China slow down efforts to shift manufacturing, increasing friction in sourcing and planning.Distribution expectations continue to riseSpeed, reliability, and automation are now baseline requirements, not differentiators. Fulfillment performance directly impacts conversion.Amazon tightens advertiser payment structuresLess flexibility in billing ties ad spend more closely to cash flow, requiring tighter control and faster optimization.Discovery and behavior shifts:AI-driven shopping adoption increasesMillennials and Gen Z are using AI tools to guide purchasing decisions, shifting discovery from search to assisted selection.AI traffic grows, but remains inconsistentTraffic from AI sources is increasing, but conversion and intent vary widely, making it an additive rather than foundational channel.Conversational and voice-based advertising emergesNew formats like Alexa-based ads signal a move beyond screens into interactive discovery environments.Retail and marketplace evolution:Walmart pilots store-based fulfillmentPhysical stores become logistics nodes, improving delivery speed and raising expectations across ecommerce.Sam’s Club connects in-store experience with dataOffline interactions become measurable, giving retailers more control over customer insights and performance tracking.Marketplace expansion acceleratesBrands continue to diversify across platforms to reduce dependency, increasing operational complexity but improving stability.The bigger picture:Platforms are expanding into infrastructureCosts and complexity are increasingDiscovery is becoming fragmented and AI-drivenRisk is shifting toward the operatorExecution is becoming the primary differentiatorThe edge is not in hacks. It is in execution. Clean data. Clear systems. Fast decisions.If you are operating on Amazon, Walmart, or scaling across marketplaces, this episode provides a clear operator-level perspective on what is changing and how to respond.Subscribe to Selling on Giants for weekly insights that go beyond headlines and focus on what actually impacts your business.