Communication with Arely was great. Always got a quick response for any questions we had. There was an earthquake during our stay and Arely even made sure to check with us if everything was OK and if we needed anything.
The location was good and felt safe. There was an OXXO store right downstairs which was very convenient. The building as right on the street but barring a few occasions, we did not have any road noise complaints. The apartment gets a lot of light which is great as well.
The location is a slight con is you want to be in neighborhoods which are modern and close to upscale dining etc. Roma Norte/La Condesa/Polanco would have been our preference, but they were not particularly far or expensive to get to, by Uber. But if you are into exploring the "local" scene with older buildings and street food this will be a great place to stay.