I have just started my little urban chicken yard and am enjoying my four birds so much, I started searching "how to build a walk in coop. lol. I agree, it's addictive.
Welcome to BYC. Glad you decided to join our flock. All of here at BYC have OCD (Obsessive Chicken Disorder), and very few of us are immune to "chicken math." ) If you haven't done so already, definitely our Learning Center at https://www.backyardchickens.com/atype/1/Learning_Center. There is loads of useful information there. Please feel free to ask any questions you may have. We are here to help in any way we can. Good luck with your flock.