I highly recommend staying at Nicola's apartment. The apartment is comfortable, large and very clean. Everything as described on the airbnb website. Location a certain distance from the center was not a problem.
A huge plus to the perfect perfection of the whole is Nicola himself. He was extremely hospitable, nice, and above all, he gave us a lot of information about local communication, interesting things, attractions and cuisine. Thanks to him we got to know real Rome.