Amazon has the 154oz Gain + Aroma Boost Liquid Laundry Detergent (107 Loads) on sale for $16 - $4 off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $11 with free shipping on $35+ or with Prime. Roughly 10 cents per load of laundry.