1.please remember the coupon code you get 

get $5 off once order paid  

coupon code  : FreeGJRS0WYI 

get $10 discount for orders upto $500

coupon code  : FREEABVHFVDF

2.click the apply coupon code before you make the payment .

3.fill in the code you get ,then click the apply button

4. you will get $5 off or $10 off according to your order amount after you fill in the right coupon code .