In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

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 Target's policy, you can contact Target via mail for your reference.

To avoid this problem, you should check out carefully Target 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.

Usually, Coupon Stacking is not allowed at Target. However, the store will surely give out notice if available.

The sitewide discount from Target is applied on certain purchases. For Year-End Deals, the store may have its own requirement to offer you a sitewide discount.

At the time of updating, Target has not applied Student Discount all year round yet. Check the official store and reach out to the customer support team to be clear.