1. Move your Mods folder to the Desktop and delete localthumbcache.package. Then test the game.
If it works now check for updates to your Mods and CC. Add it back a little at a time while testing until you have found all that are broken.
2. See my answer to lostinmalloc on this.
4. I take you mean it was IN the trailer. Unfortunately somethings in promotional trailers for various reasons don't make it to the game.
5. If their shift is over they will leave no matter. Maybe hire a butler instead.?