|FAQ - Cart Help Buttons - Cart Settings - 6. Shipping Options - Approved Shipping Methods - Configure Approved Method
This allows you to set an additional shipping charge for this specific shipping method.
You can set this charge to be a flat dollar amount or a percentage of the shipping cost subtotal.
This charge will be added on top of the Flat Base Handling Fee and/or Additional Shipping For International Orders (if these values are set) that are located on the main "Shipping Options" page.