Walgreens: 7-Oz Renuzit Gel Air Freshener (various)on sale at 6 for $1.45

Log into or Register for a MyWalgreens Membership to be able to clip coupons (free to join)
Select 6 (you may mix & match)
'Clip' the buy 4 get 2 free manufacturer's coupon on the product page.
Add items to cart with STORE PICKUP
Add this ruler (or another filler to meet store pickup requirements) to cart with SHIPPING BUTTON (Shipping will show as $5.99, but you will choose free ship to store pickup later in checkout)
In cart, buy 4 get 2 free discount will apply
Enter code NEW15 (must be logged in)
Total will be 6 for $1.45 + free pickup