There is a new $0.50/1 Extra Gum printable coupon available. Use this coupon at a store that doubles coupons and you should be able to score free gum.
Here is a deal for Giant or Weis shoppers to score FREE Extra Gum: (through 1/25)
Extra Gum 15 count $1.00
Use the $0.50/1 Extra Gum printable