Location: The flat is great, it's 5 minutes from the Vatican on a touristy street with plenty of places to eat. The underground is 2 minutes walk from the apartment.
Host: very very helpful, messages everyday asking if you need anything. He doesn't speak English but is still able to communicate to a high standard.
General advice: limit of €48 to go to the airport from the inner city. So taxis cannot charge more than that. Would also recommend asking Alessandro for both the bedrooms, as we enfeebled up having two beds in the one room