Key takeaways Merchants using Amazon Multichannel Fulfillment in the U.S. can now offer fast, free Prime delivery on their own websites at no additional cost to them or their shoppers. Among early merchant adopters, more than 40% of eligible orders on average have shipped with Prime delivery, demonstrating strong early uptake of the option. Through the new MCF Preferred Pricing Program, merchants can save up to 25% on fulfillment fees across their own websites, marketplaces, and social channels,