Qu. 1 - Here is a link to the build for my pair...cost was probably around $300 and I'm thinking that may be a little high for what I actually spent.
https://www.backyardchickens.com/t/...the-peafowl-update-finished-pics#post_6043979
https://www.backyardchickens.com/t/...the-peafowl-update-finished-pics#post_6043979