Free Whopper or Chicken Sandwich At Burger King
Go Back to any participating BK (even the one you started at), order a Senior Drink (39 cents) and a Value French Fries ($1.00) plus give them the Receipt that you have the code number on that they gave you when you did the survey.
Get a FREE WHOPPER OR ORIGINAL CHICKEN SANDWICH (FREE), an order of FRENCH FRIES ($1.00) and a SENIOR DRINK (39 CENTS). Plus 9 cents tax (in FL) and your total price for the WHOPPER, FRIES and DRINK is $1.48.
Pretty good deal.
They say you can only do 1 per month but with no way for them to check you could do this as often as you'd like. Try it.