Fantasy football is a game about value, and keepers have just as much to do with cost as they do about the actual players being kept. Julio Jones, for instance, is going to be a great wide receiver to have this year, but if he costs you a first-round pick, he's not necessarily keeper-worthy. It's always important to remember that cost is part of the equation.
There are plenty of other things to take into consideration, too, when making a keeper selection. And to help, I've compiled them into a nice, clean list. Let's take a look.