Real Canadian, generally offer is buy 2 cans for 2.50 each + tax and deposit. At rexall drugs now 8 for 18.99 or 4 for 7.99. Got 4 for 6.49 in shoppers drug mart a few days ago. That's the cheapest so far. It's more expensive than the cheapest in Ireland. 4 for 4 euro at times.