Amazon has the 54-ct Rice Krispies Treats Marshmallow Snack Bars (Original, 0.78oz bars) for $14.84 - 30% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $9.65 with free shipping on $35+ or with Prime. Roughly 18 cents per bar.