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 Greats. As the Greats 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 Greats's policy, you can contact Greats via mail for your reference.

It depends! Normally, the percentage that you can save with that Greats Coupon will be shown right on the page, so you can see if it is applied sitewide or not. However, once you are not sure, try it right on their's products you want to buy.

Most Big Discount Events of the year witnessed a vast number of coupons from Greats released. Especially, on federal holidays such as New Year’s Sale, Thanksgiving, Christmas... or on other important days such as Valentine’s Day, Easter, and Father’s Day..., customers also can buy at Greats with numerous coupons.

Yes, it has ever. It may not be available now, but it is completely possible for loyal customers of Greats to get it by tracking all of its promotion programs.