This Post May Contain Affiliate Links. Please See Our Disclosure Policy Here. HOT! $5 off Millstone Coffee K-Cups Coupon to 5,000! Millstone Coffee K-Cups CouponGo HURRY and you can score a SUPER HIGH VALUE $5 off Millstone Coffee K-Cups Coupon! They are only giving out 5,000 so make sure you get one now! For more hot deals on everything from toys to household supplies, check out our Deals Page!