Cart Documentation: How to edit Shipping Modules

1. Login to your cart administration by going to yourdomainhere.com/admin or go to "yourdomainhere.com/admin.php?_g=modules&module=shipping/USPS" and skip to step 3
2. Under Modules on left panel, click Shipping Methods
3. Click Configure directly to the right of USPS (this instruction will not apply if we setup another provider for you)
4. Select the services and variables as needed then Edit Config to finish