Amazon offers the Larabar Fruit & Nut Food Bar 5-Pack in Blueberry Muffin for 40 cents with free shipping via the directions below. That's a buck below yesterday's mention of another flavor and the best price we've seen. (It's also $4 under what you'd pay in-store locally.) They're gluten-free. To get this price:

1. View the Larabar Fruit & Nut Food Bar 5-Pack for $4.63
2. clip the $4 off coupon on the item page
3. checkout via Subscribe & Save for a final price of 40 cents

Be sure to cancel Subscribe & Save once your order ships to avoid being billed for subsequent shipments.