Walgreens: Possible FREE Purex Liquid

For those of you who got the BOGO Purex coupon in your 2/21 RP, here's how to use it to score FREE Purex at Walgreens!

Walgreens has Purex Liquid on Megasaver Sale BOGO for the WHOLE month of March
*Not in the ad, but you should find a sign on the shelf
Use BOGO Purex coupon

Makes 2 FREE!

IMPORTANT: This is most definitely a YMMV (Your Mileage May Vary) case.   Some Walgreens will deny that you can use a BOGO on a BOGO, and you should really just save your breath in that case and try a different Walgreens.
Some Walgreens will have no problem at all with this - and you can score as many as you have coupons for!


Logic behind BOGO Coupon on a BOGO Item:
When a store offers BOGO, the customer pays for one item, and the store gives you the 2nd item free. When you use a bogo coupon, they write $4 (or whatever) on the coupon and send it in to the manufacturer. The company doesn't care what the store sale was, they just reimburse the store for the $4, in effect paying for the one you would have been paying for.  This is totally ethical, but if your store doesn't understand/allow it - it's best to just surrender.

-Thanks, HotCouponWorld!