Great value for money. The location is SUPER central, in the middle of the historic town and just a few meters away from the main city street. The apartment has a good size for a couple of nights and all necessary amenities. Cleanliness was so-so.
As it is an old building, walls are thin (there was a singing neighbor...) and the overall building could use a renovation, though the apartment itself is nice and new. Could also hear airplane noises, but I guess you have that nearly everywhere in the city. If you go by car, beware of the extremely (!) narrow streets and crazy Vespa drivers. There is a private parking few meters down the street (close to Duomo) which you can leave the car at - not cheap, but other options are limited.
Barbara was easy to communicate with, had some tips for places to eat (Tandem highly recommended!) and for activities. Check-in and -out was fine.
Overall recommended, would stay again!