Here is a tutorial how to use coupon on TBS.
Step1: Add the product to your shopping cart and process “check out” with your TBS account.
Step2: Fill out your billing and shipping address and place the order. When you process to “ payment method”, you will see the blank of“ Coupon Code” and just enter the coupon . You will get saved the relevant amount in your order.
Note: We have the different interval distribution between different coupons. Please choose the proper coupon which matches your order amount.
Step3: Finish the payment and complete the order