No Frills has a promotion where for every $9.00 you spend on Kelloggs Special K Bars (144-200g) selected varieties, you earn 3000 points (equal to $3.00)

Price Match with Metro and get the bars for 2/$5.00

Purchase 4, pay $10.00, earn 3000 points and the cost for 4 boxes is $7.00, $1.75 per box.

Also, You can claim on CO51 and earn $1.75 cash back when you purchase 2, claim twice and earn $3.50 back, bringing the cost to $3.00 for 4 boxes or $0.75 each.