Quote: Ditto Dat^^^^
Better to have your coop, run and brooder already built before you get chicks, then you can spend more time getting to know your new animals instead of being under the gun to get it done cause they grow fast!
Do your research:
Read A LOT in the coop/run construction forum and the predator forum)
Read the space and ventilation article in my signature.
The advanced search function here can help you locate the topics you want to study more easily than just scrolling the forum sections, you'll still have to wade thru a lot of chatter.
advanced search>titles only>brooder