Eat and sell.@ChickenCanoe mind if I ask what you do with all those hungry mouths?
Now that I only have one breed, I don't do 100 at a time any more but I still use those brooders if it is extremely cold.
Primarily, I now schedule hatchings for shipping as day olds. (scheduled to hatch on a Sunday afternoon/evening) Otherwise I'm always replacing hens with better birds and all cockerels that aren't perfect get eaten.