Look up drinkers and cups, and follow into white section until squares meet- kind of like playing Battleship. This is how many bags you should buy for a 2 week supply. For optimum freshness, deliver your coffee every week, but it's ok to go 2 weeks. You decide! *The typical drip drinker uses a 12 oz cup, and the typical espresso beverage uses a double shot. Adjust accordingly, and know you can always change your order quantity or frequency at any time!