Gevalia takes 20% off sitewide via this link. That's the best general use percent-off discount we've seen from Gevalia, which is a monthly coffee subscription service. There are nearly 50 types of coffee and tea to choose from. Free shipping applies for all auto-delivery orders, otherwise shipping starts at $6.95. Note that your subscription can be canceled at any time by calling 800-438-2542. (You'll otherwise be billed for subsequent orders.)
Also at Gevalia, purchase three Gevalia coffees and get two additional coffees for free. These discounts cannot be combined, however.