We had a great stay at Antonio's place in Naples and would recommend it it others. From the first communication, Antonio was very responsive and throughout the entire booking. The apartment is in the heart of the city, close to restaurants, bars, and everything you might want to see. It is also an easy subway ride from the train station and a 20 minute train ride from the airport. The apartment is basic and great for 2 people.
One thing to note if carrying lots of luggage, it is on the 5th floor with no elevator which was no problem for us since this is quite common in many AirBnB's, but something I always point out.