Thumb Score: +48 Staples [staples.com] offers various 24-count Coffee K-cups on sale today for National Coffee Day: 2 boxes of 24-count K-cups (48 total) are $9.99 when you use promo code 92363 at checkout. Store pickup is free. Note: several promotions are going on here:24-count boxes for $16.99, now on sale for $9.99 Buy 1 get 1 free with promo code 92363 Valid on select K-cups only - works on Caribou Coffee, Green Mountain, McCafe, Cinnabon, and more (not Starbucks or Pick Me Up Provisions).