Has this ever happened to you?
You're eating something really delicious and have only one bite left. As you raise that last delectable piece to your salivating mouth your arm suddenly spasms and you watch helplessly as that most delicious piece of food plummets to the floor. So ... do you eat it or not? In the moment that you are deciding, this flow chart might help (found here).
Total Cost: $0 ... waste not want not!