i don't know about your local grocery, but wal-mart does have a way of making their suppliers drop prices. by demanding lower supply side prices wal-mart gradually forces the quality of goods to essentially drop to maintain profit margins. cheap goods = cheap prices. suppliers are squeezed until they are no longer profitable, then wal-mart moves on to the next sucker.

so if you wanna support putting your local suppliers out of business, then by all means, support the wal-mart model.