We get our coffee from a shop in the North End in Boston and buy by the lb and ground for k cup use and store properly. Then I buy k cup liners for the reusable cups 400 of them for $20 bucks (I get the ones with the top flap on them) My total cost per cup is .08-.12 cents a cup depending on the coffee. Most commercial Kcups are filled barley to halfway so we follow the same model if I want it stronger I add some more
https://www.amazon.com/dp/B0CH89N9XM...fed_asin_title