Good deals on Nature Valley Granola Bars at Amazon with 40% off.  Many flavors are available.  An order of 6-Pack with 12 counts per pack starts from $11.70.  Shipping is free on orders over $25.  There is a special subscription to save an additional 15% by receiving the products at a regular interval and shipping is free with no minimum.  Note that the subscription can also be cancelled easily at any time.