At Walgreen's next week (starting 9/11), you should be able to get Chex Mix & Bugles for $.49. Here's the deal:
At Walgreen's: $.99 Bugles & Chex Mix on sale
-$.50 Bugles Printable Coupon
= $.49 Bugles or Chex Mix
If you don't see the coupons for your zip code, use the zip code 75092.