Amazon has the 4.6lb MuscleTech Phase8 Sustained Release 8-Hour Whey Protein Powder Shake (Milk Chocolate) for $46 - 25% off coupon (check “Save an extra” box, eligible on first S&S order for this product)  - 5% off with Subscribe & Save (can cancel at any time) = $32 with free shipping on $35+ or with Prime. Roughly $7 per pound.