I stayed here for a week with my grandfather. Prior to arrival, the host, Juse, told me of many different transportation options to and from the airport. We took the white taxi, which Juse provides a number for in the foyer of the house; along with emergency (medical or police) numbers and the wifi info. Juse's friend Roberto met us outside the door to the apartment building, which is directly in the middle of the Piazza. Roberto was very helpful with information regarding the city and left us a map, which we used the whole trip. Roberto also offered to communicate with us at any point through WhatsApp, but I was unable to download the app, so I couldn't really. He was very helpful and I'm sure he or Juse would have answered any questions I had either through Airbnb or WhatsApp.
The apartment looks exactly as advertised in the pictures and it is sparkling clean. As well as the two bedrooms there is plenty of room in the living room to stay in. My favorite part about the place was it's location. Since my grandfather is 90, I went out most nights alone and I felt completely safe, especially within the piazza. The neighboring restaurant workers are all very friendly, I know if I return to Rome I can contact them. I would totally stay in this apartment again.