Thumb Score: +10 Amazon [amazon.com] has 11.5-Oz Reese's Puffs, Chocolatey Peanut Butter Cereal for $2.49 - 10% when you 'clip' the coupon on product page - 5% when you check out via Subscribe & Save = $2.12. Shipping is free with Prime or on $35+ orders. Price: $1.36 lower (39% savings) than the typical price of $3.48 10% coupon applied at checkout.