The location of Sarah's place was great. Unfortunately the toilet in the flat broke and this was not seen to promptly. The first evening there was no response for a solution, the second day she wanted her neighbour who is not a tradesperson to come into the place with his own key, next she wanted us to leave the apartment unlocked when we left and she would try and get someone to fix it and finally her partner and the 'Super' came in and fixed it. We suggested compensation given we didn't have a working toilet for a few days but Sarah did not respond to any criticisms, choosing only the parts of communication she wished. Felt anxious for the first half of our trip.
Otherwise the apartment was what you would imagine living in NYC would be, very compact, strange noises from the heating, many stairs and very well decorated.