Discussion
No Estimates For Shipping Method Reason: One or more of the items in the order does not qualify for Shipping Method
Explanation: Certain shipping methods are only valid for certain products. The classic example is USPS Media Mail, which only accepts books and recorded media (and a few others).
The reason code may also be: One or more of the items in the order does not qualify for USPS: Media Mail
Remediation Steps
If your product is showing as not qualifying for a restricted shipping method and it should qualify, you need to mark the item as a special type.
Navigate to:
Home → Item Configuration → Items Section
Select the item you're troubleshooting.
On the main tab (Item), near the bottom, is a field named 'Special Product Type'. Choose the product type required for this shipping method.
Save your changes. Test your cart again.