Happened to walk down the candy aisle today. Extra 3-packs are on sale BOGO. Orig price is $2.15, so these ring up this week as $1.07 or $1.08. There are $1.00 q's out there good for Wrigleys/Extra 3-packs that expire mid-Oct. There's also a tearpad q out there BOGO that exp 9/30. So, depending on how your store rings it up, either free gum or at most .03/pack (x3).
Happy chewing.