Amazon has a great deal on QuestBars for only $17.10 for a box of 12 bars. Usually boxes retail for $24.99.
How To get the Deal:
1) Go to Amazon's QuestBar Product Page Here
2) Boxes are already heavily discounted to $20.12. However, if you subscribe to a single monthly delivery you can get them for $19.10 a box.
3) The real deal is if you subscribe to 5 delivery items a month, then you can get them all the way down to $17.10 a box.
Keep in mind that those 5 items don't have to be only QuestBars and you can cancel the subscription at any time.