Amazon has the 1.8lbs Six Star Elite Series 100% Whey Protein Plus (Cookies and Cream, 18 Servings) on sale for $20 - 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) = $13 with free shipping on $35+ or with Prime.

• Roughly 70 cents per serving (30g protein / 6.7g BCAA / 100% Vitamin C, D, Zinc)