ONE OF THE MOST CONFUSING APP we have ever used.. You need a genius to sit with us and explain how to specify rate based on product.. FAQ is terrible and doesn't do much for us...
Don't bother boys.. Not user friendly at ALL
Only works on Advance Plans. No use to anyone else.
This is unfortunately a Shopify imposed restriction and applies to all apps using Carrier Calculated Shipping. In order to enable this feature you can either pay for Shopify annually or contact them to add this feature (charges may apply)