Erhard's place was lovely. It was super clean and he was incredibly friendly and kind throughout the visit. It was close to the subway station and a nice walk to the center of the city. My only warning (as others have stated) is that you have to go up quite a bit of stairs to get to the apartment, so if you have any significant problems with that, such as bad knees, his place might be a tad difficult for you. Otherwise I definitely recommend it!