How to Add UPS as Shipping Method.
UPS is setup in the system with shipping calculations directly from UPS
If you add UPS shipping methods, you will have to add ordering rules to implement a general calculation for shipping.
1)On the right hand side of the builder under "Products" menu
2) Select "Price Sets"
3) Under "Shipping Methods" you can click "add" and it will have a drop down menu that includes "UPS"
4) Here you will need to Select "UPS" within the "Shipper" Drop down menu