Very nice stay. Location is awesome, right in the historical centre without the noise from the street. In front of the entrance of the building, there is a great local restaurant offering phenomenal ragu.
The communication was great, we were messaging even before our arrival at Napoli. We get very good tips from the host, too. One small issue was, that the apartment is located on the 4th floor without the lift. Thus, don't need to worry about gaining kilos from amazing Italian cuisine. :)