Stop in for a cup of coffee

My buddy was talking about deer hunting, but I don't see it happening.
Got another log on yesterday. That's it for a bit. Next week its training s ome recent grads and showing my 'monitor' the procedures and techniques we've worked out.
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So total noob question as I know Jack about log house building. I do not see a provision for door way? Do you pre back cut them and I just can’t see it? Or do you wait till tie in on top to create the door?