edX offers ''Buy one get one" on some special occasions for certain items. We

regularly update the latest coupons at each period, please follow the site to get gifts as soon as possible.

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”.

Of course not, most coupons may be used only by you when you received them directly from edX. As the edX coupon includes your User ID, it cannot be resold or transferred in any way.

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

Yes. Coupons for each Discount Event of edX 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. 

Gift Cards from edX are usually offered on major discount days or to loyal customers. If available, it will be shown. Let's check the coupon list.