Deal or No Deal?

Deal or No Deal would have to be my favorite game show and I would want to be on it the most, because you don't have to be smart, but good with guessing. You have 19 boxes with amounts of money in them to choose from and one that is yours. In the first round you choose 6 boxes and whatever amounts you choose cannot be in your box, and you are offered more money for your box if there are larger amounts still left in play. You can sell your box for whatever the banker gives you, or you can keep yours and hope it has something better.