Print a coupon for Renuzit adjustable cones! They are on sale at Rite Aid for $0.99. Use the coupon and pay only $0.66 each, when you buy three.

Use one B2G1 FREERenuzit Adjustables Air Freshener Cones, 1 ct, up to $1.18 (coupons.com)

Final Price: $0.66 each, when you buy 3