Amazon has 23oz Windex Ammonia Free Glass Cleaner (Crystal Rain) on sale for $1.90 when you ‘clip’ the $0.47 coupon on the product page and checkout via Subscribe & Save. Shipping is free.
Note, must be logged in to clip coupons; coupons are typically limited to one per account. You may cancel Subscribe & Save anytime after your order ships. Select the later date from the "First Delivery On" menu to get traditional S&S checkout instead of adding to your cart.
Also available (‘clip’ the $0.46 coupon and check out via S&S):
- 2-Count 23oz Windex Glass Cleaner Spray Bottle (Original) $3.84