SAP always gets the blame because its a household name. Walmart is a global expert in warehousing and logistics only SAP can provide end to end integration needed for efficient retail sales. 100% resource problem on the integration side of the warehouse software I'll bet , does not do what...
The Amazon default shipping is not competitive the way to do it is to sign up for for a local address in the USA a lot of the global shippers offer this (for example Aramex Global shopper) typically in New York. Amazon then ships the goods directly to that address for free and they consolidae...