Thumb Score: +21 Amazon has 6-Pack of 1.76oz Pure Protein Bars (Birthday Cake) for $3.70 when you 'clip' the 20% off coupon on the product page and checkout via Subscribe & Save (extra $3.04 off discount is automatically applied at checkout). Shipping is free. Thanks chenlinwu1124 Note: You must be logged into your Amazon account in order to clip the coupon.