Amazon has for 3-Pack 28-Count Windex Flat Pack Wipes on sale for $6.59 when you clip the 25% off coupon found on the product page and checkout via Subscribe & Save (select the later date from the "First Delivery On" menu). Shipping is free. Thanks kokonut
Note, coupons are typically limited to one per account. You may cancel Subscribe & Save anytime after your order ships.
Was looking for a good window wipe that I can carry in my car and found these with 25% Coupon Clip On. It looks like the coupon is multi use (I ordered one more and coupon was still clippable, just make sure you do separate orders).
Save an extra 5% or 15% by using subscribe and save.