Amazon has the Fantastik All-Purpose Cleaner (32oz bottle) for $3.22. Add two to cart for $6.44 - 5% off with Subscribe & Save (can cancel anytime) - $1.61 off multibuy discount = $4.51 with free shipping on $25+ or with Prime. Roughly $2.26 per bottle or 7 cents an ounce.

• Sam's Club members can get a 128oz jug/32oz bottle combo around $10. (6.25 cents per ounce)