Negative: Amenities were lacking, no main dish plates (only small ones), the guest didn't come to meet us nor give us local tips. Our budget was tight so paying 50 euros to arrive from the airport and 50 euros to go back was out of the question, however we did not get any help from the host. The bathroom needs improvement (especially the shower that gets the floor wet), the kitchen is old and not very clean and the apartment had a strange smell. Although this is obviously not the hosts fault, the entry to the apartment is very dirty, there was a lot of smelly garbage right by the main building door on the inside.
Positive: The living room and bedroom are beautifully decorated, sleek and clean, just like in the photos. Some people commented about the noise outside, but honestly, it isn't as bad as some people wrote here in the reviews, you can barely hear it (and we stayed during the weekend!). The location is perfect, it's literally five steps away from the Campo de Fiori Piazza and a 5-10 minute walk from most of the main attractions.
Besides the negative aspects already mentioned, we enjoyed our stay and would consider coming back here.