With orders of $25 or more, Amazon offers the Nature Valley Crunchy Granola Bar 36-Pack in Peanut Butter / Oats 'n Honey for for $6.98. Clip the on-page 30% off coupon to cut that price to $4.89. With free shipping, that's $1 under our June mention, about 14 cents per bar, and $3 less than you could expect to pay in local stores.

Note: This is part of the Amazon "add-on" program and can only be purchased with orders of $25 or more.