Looking for some great Back to School coupons? Check out Walmart's Lunchbox Builder. You can print these coupons:
$1.00/1 - Mott's Applesauce
$1.00/1 - Pepperidge Farm Goldfish Crackers, 12 pack
$1.00/1 - Smucker's Uncrustables Sandwich
Mott's Applesauce is about $1.50-$2.00 depending on where you shop, so this would make for a very inexpensive snack.