We were there for 1 night before leaving Rome and it was a nice stay.
It was very clean and communicating with the hosts was a breeze. The car to the airport was really helpful and only a little more than taking the train.
It's a 10-13 minute walk from the Trevi Fountain and Spanish Steps. It's about a 15-20 minute walk with bags over the cobblestone streets of Rome from Roma Termini.
The room was small but we didn't spend much time there.