Explain to grandma that "Free Dining" really isn't "Free", when you consider the full rack rate cost of the room. Or, you could tell her the following. "Grandma, we are willing to share a one bedroom unit with you at Beach Club or Boardwalk, but in order to get "Free Dining" you'll have to stay in a cash room, and even a regular, non-
DVC room at those resorts starts at $325 per night, plus tax = $365."