To use the esrtech 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 esrtech 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 esrtech. As the esrtech coupon includes your User ID, it cannot be resold or transferred in any way.

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

There is no certain number for the frequency of releasing coupons from esrtech. But, most of the time, there will be at least one available. Special Discount Days such as Black Friday, Cyber Monday, Back to School Sale... come with many coupons.

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

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