1) Most don't, they just make less profit precentage than on the rest.
2) To move product. It's a complete lose if it goes bad.
You do have a point though, but so does he. If nothing ever changed though, nothing would go back to the way it was. Because of that we will never really know.
Sorry, most do. Read your weekly ads.
Very large companies will sell an item at cost, or below, to entice you into their doors.
Then they'll fool you into buying all kinds of other crap that they clean up on.

