To properly enter a coupon code, at check out:
- Enter your shipping info (State, City, ZIP Code) that is within the contiguous US only.
- Select "FedEx Ground Home Delivery" by clicking the radio button to its left.
- Click "Update Shipping Cost" button that is underneath the shipping rates list.
- Then enter the coupon code (not case-sensitive) in the respective text box, click "Apply"
The shipping cost will be deducted from the "Grand Total"