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

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at gfk.

All deals from Promotion Programs of gfk are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.

Yes. The old coupons from gfk will be kept on the page if it has not expired. New coupons will continuously be updated.

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