Use the KnownHost coupon code that is posted here and reduce the price of your initial purchased by 40%. Thereafter, every time you renew, you will get 30% off. This coupon code for KnownHost seems to be ongoing and should be valid through December 31, 2021. No more than one promotional discount may be used per order (the offer cannot be combined with other KnownHost coupon codes). Any and all coupon codes for KnownHost are available for a limited time only and may expire before the estimated expiration date. This discount will only be given when you place your order online.