Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Door Superstore's policy, you can contact Door Superstore via mail for your reference.

To avoid this problem, you should check out carefully Door Superstore promo code before that promo code could be expired, some promo codes are tied to a minimum purchase, a first-time purchase, or tied to geography, and other reasons.

Yes. Coupons for each Discount Event of Door Superstore will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Our advice for you to use Door Superstore Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at Door Superstore, so take advantage of coupons released on those days to save.