Amazon.com discounts several K-Cup Coffee Boxes to as low as $21. Even better, choose Subscribe & Save to take an extra 15% off. For instance, 50 Cappuccino K-cups (pictured) drop from $27.90 to $21 to $17.85. Extra Bold K-cups fall from $27.90 to $22 to $18.70. These single-serve coffee cups give you an excellent brew every time when used with the Keurig Brewer. Note that you'll have to cancel your subscription if you don't want additional shipments. Sales tax is only charged in KS, KY, ND, NY, and WA.