I like the idea of raising my own rats and plan on putting together a nice breeding setup when I get the time in a month or so. I figure I can freeze some of them for emergency situations and sell/give away any extras that aren't being eaten. It also gives me the piece of mind of knowing where the feeders came from and what kind of live they have lived. Maybe I have been in fish keeping to long but I know I am very picky about what my Piranhas eat and where those feeders come from, breeding your own is a better option then guessing if they were properly taken care of and ate right.