Thanks to momsbyheart for this great scenario for Walgreens that is good all month long!
purchase (4) Aquafina 24-pks. @ $5.99 regular price = $23.96
-Walgreens insert coupon (shown above) that gets you $2 off per. Limit is two, so YMMV.
Final Price: (4) 24-pks. for $5.96! That's $1.49 each!