the random chunks sticking out of the roof and just below it are automatically generated attic walls. I deal with them by clicking on them, which brings up their active layers, and simply turning them off, but I am kind of an amateur as well. Not sure why your concrete slab is a tripping hazard. I think the house looks fantastic, great curb appeal.
Not sure if you post of "I think I got it" referred to the problem or the uploading of the images.