Amazon has the 154oz Gain + Aroma Boost Liquid Laundry Detergent (Moonlight Breeze) for $16. Change to quantity 3 to reach $48 - 5% off with Subscribe & Save (can cancel at any time) - $12 off multibuy 3 discount at checkout = $34 with free shipping on $35+ or with Prime. Roughly $11 per bottle or 10 cents per wash.