Run to Dollar Tree where Air Wick 4 in 1 Spray is regularly $1.00. Print a new manufacturer coupon from Coupons.com to get $1.00 off two at checkout, making each spray only $0.50!

Use one $1.00/2 Air Wick products, limit 2 (coupons.com)

Final Price: $0.50 each, when you buy 2