The phrase that ruins every eCommerce project: "Just connect it to our ERP."

The article warns that treating ERP integration as a simple “just connect it” task ignores the fundamental difference between building a greenfield storefront and linking to a legacy, brownfield system. Because each handoff—payment, tax, inventory, accounting, CRM—lacks clear ownership, asynchronous processes can cause orders to disappear after payment, forcing costly manual intervention. Proper architectural patterns and timing controls are required to prevent these integration failures.