There are several new cleaning printable coupons right now including:
$1 Off any Shout Product Printable Coupon – I don’t see any size restrictions. You might be able to find trial-sized Shout wipes that you could use the coupon on to get them close to free.
$.55 Off any Windex Multi-Surface Cleaner or Wipes Coupon
$.75 Off Pledge Multi-Surface Cleaner Coupon