Most of the time. Some people price them like they're rare and precious, though.

"Get a grip, lady. It's Avon ferchissakes."

No, I will NOT pay $3 an ounce for Avon, even if it IS Tai Winds or Oland.

After all, without rules; this is just another AD. This way, I'm merely augmenting my collection. (At least, that's what I keep telling myself).