Amazon has the 16oz Minor's Beef Base and Stock for $13 - 25% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $8.94 with free shipping on $35+ or with Prime. 1 container makes 20 quarts of beef broth (roughly 45 cents per quart). 

• Also on sale: Minor's Chicken Base and Stock for $9.65 after coupon, S&S. (Roughly 48 cents per quart made)