How can I see my discount before I pay? 

You will only see your discount applied once you've clicked "PROCEED TO CHECKOUT" and entered your shipping information.  You will see the summary and discount before you enter your payment info.

 

Step 1: Add your items to your cart and proceed to checkout.

 

Step 2: Enter your email/shipping information and click continue to shipping.

 

Step 3: Review and click Continue to payment.

4: Enter discount code and you will see the amount discounted at the top.