How to add the Simple Shipping Ordering Rule based on Shipping Method:
1)On the right-hand side of the builder under the "Products" menu?
2) Select "Price Sets"
3) Click "add" under "Ordering Rules"
4)Click the "+" button at bottom of the screen and select simple shipping
5)Here you can name it by shipping method, and input a fixed amount, and select which shipping method you want the fixed amount to be added on.
*These are general directions on how to add an ordering rule with shipping method condition, but if you need additional help with setting up please email me the details of what you want to be added, and I can assist you further. This can be a base amount to start with, and you can add additional Standard ordering rules to add fees based on destination/products ordered/per pound*