I have to leave a mixed review. Paola was pleasant to communicate with, and easy to reach. The apartment location is easy walking distance to the train station and metro.
However, the neighborhood is terrible. There is garbage everywhere, the streets are filthy and we were hesitant to walk around after dark. The apartment has two nice balconies, but you'll be looking at trash piled up on the rooftop of the neighboring building.
The apartment itself was clean and well maintained. The two bathrooms were nice and clean, but I found dirty dishes in the kitchen cupboard. The wifi did not work, and would constantly go in and out, so if you need it for work, don't count on it.
The apartment is on the 2nd floor (by American standards), and has a very steep and narrow staircase. If you are handicapped, don't even bother.
If you're looking for a cheap and clean place to stay, this apartment is fine, easily accessible to public transportation. However, don't expect to dine al fresco in a lovely Italian piazza in this neighborhood.