> usual items I purchased and some of those items are on sale Often the "deals" are "buy 3, get one free", where the per unit price might be a bit less than a

> usual items I purchased and some of those items are on sale Often the "deals" are "buy 3, get one free", where the per unit price might be a bit less than a single unit, but if you only went in for 1, but ended up buy 4, you've paid more than you might have otherwise. Sometimes it's a good deal, and you get more value, sometimes the items expire before you end up using them, etc.