We have made some major tweaks on our building plans. Originally, we were going to have two houses, one for us and one for guests. Due to Deed Restrictions (seriously, how can someone that owned the land 25 years ago dictate what we do on it now?), we can only have one residence. So we kind of squished our two houses together:
Revit is actually pretty fun to use (except for sloped pipe work)! Here's our updated site plan too.