So my wife bought a Keurig single cup coffee maker a while back. Works good, always a fresh cup of coffee. Trouble is I can drink up one of those $40, 80 serving boxes of K-cups in very few days.
So she ordered these, and tried them out this morning. So far, so good.
http://www.walgreens.com/store/c/cafe-cup-reusable-coffee-pods/ID=prod6154568-product

http://www.walgreens.com/store/c/cafe-cup-reusable-coffee-pods/ID=prod6154568-product