Amazon has the 48oz Downy Rinse & Refresh Laundry Odor Remover / Fabric Softener (Fragrance Free) on sale for $7.51 - 5% off with Subscribe & Save (can cancel anytime) = $7.13 with free shipping on $35+ or with Prime. $13 at Walmart.

• Savings Tip: There's a buy 4, get $10 off promo as well. Drops to about $4.63 per bottle, if you want to stock up.