Amazon offers the Toosum 100-Calorie Gluten-Free Oatmeal Bars Variety 20-Pack for $23.66 with free shipping, via the directions below. That's the lowest total price we could find by $16. To get this price:

1. View the Toosum 100-Calorie Gluten-Free Oatmeal Bars Variety 20-Pack for $33.80
2. clip the 25% off coupon on the item page
3. checkout via Subscribe & Save for a final price of $23.66

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