novice coop

I have decided since I am now a full blown crazy chicken/quail lady, it is time to retire the prefabs and build more substantial coops. This will be my very first attempt and while it’s still not 100% from solid 2x4s, it will be much better and should give me the confidence to build a bigger...

In your experience, if you don't use an existing building or a prefab, what is the easiest coop design to build. Easy as in novice experience with tools. Any input welcome!