Special K cereal is on sale at WinCo. Use a printable coupon with the sale price and pay only $2.25 a box!

Buy 3 Special K Cereal, 18 oz $2.58, extra savings price
Use one $1.00/3 – Kellogg's Cereals; Special K, 11 oz or larger, limit 4 like coupons in same shopping trip  – (coupons.com)
Final Price: $2.25 each, when you buy 3