I have written a lot about the Christadelphian movement (see Listing of Articles on Christadelphian Issues).
I decided to put some of my notes dealing with Satan & Demons/pre-existence of Jesus/Jesus offering a sacrifice for the "sin" of being human in CD theology/conscious status of the dead into a short book (45 pages) if someone wanted a quick "go-to" reference if/when they interact with a Christadelphian on such topics:
A Latter-day Saint Examination of Christadelphian Theology (2021)