The host is great on communication. Although we didn't meet them in person, we met a friend of theirs who waited for over 1.5 hours to let us in because our flight was delayed. That was great help.
The apartment location was perfect for your purpose. It was not far from attractions, right off Ostiense train station so convenient to go anywhere by train and Metro.
It is not an upscale but rather an authentic neighborhood where people actually live, so you can find great fruit/vegetable stores with great price and quality, daily stores and local restaurants.
The apartmenet itself offers enough space for us, a couple and a toddler. I wish dining space in the kitchen is bit bigger but overall enough space for sure.
Overall nice hosts, convenient location, good value.