Customer:
The USPS Shipping rates are not calculating based upon to purchase the premium, but not if this bug isn’t fixed.
Support:
This is happening because the Parcel Packing option is selected as Pack items individually on our demo site.
In our premium version, you can change the Parcel Packing option to “Pack items with weights and dimensions” or “Weight-Based“.
The free version only has this individual packing option.
Parcel Packing: WooForce plugin provides you three options to pack a parcel(s) as given below:
Pack Items Individually: In this option,each item in the cart is packed separately. Total Shipping cost calculated by adding shipping cost of each item. There is a single label for every item.
Note: This is the default option.
Pack into understand more in detail –https://www.xadapter.com/2016/11/08/woocommerce-configure-box-dimensions/
Weight based: In this option, the weight of all the cart item is summed up and passed to get rates.