Amazon offers the San Francisco Bay Coffee K-Cup Brewer 80-Pack in Breakfast Blend for $29. Add it to your cart via Subscribe and Save to cut the price to $27.55 and bag free shipping. That's $0.34/cup, $3 under our August mention, and the lowest total price we could find in this quantity by $10. These can be used in Keurig coffee brewers.
Note: Cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.