Just follow the site, it may be easy to update the exampal discount anytime. All of the latest coupons and discount codes are shown as soon as they're released. If any exampal teacher discount is launched, you can also know 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”.

To use the exampal coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the exampal checkout system or a customized checkout system that accepts the coupon.

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

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