Sweet, sunny little apartment, you can tell that Roberto, or his wife, as he says, has taken pains to decorate it. It is convenient, with a supermarket a 3 minute, a tram stop a 4-minute the metro station a 7 (on the way back, uphill and hence 8) and the nearest restaurant a 1-minute walk away.
If you need anything or something doesn’t work, Roberto responds quickly and comes by to fix it.
It is good for short stays.
There are a few challenges, especially for longer sojourns.
The kitchen is not really equipped for people cooking on their own, there are no real cutting knives nor fish slice/spatula and the pans are very small. But if you’ll only be staying for a few days, this won’t bother you, there are great restaurants a few walking minutes away offering you good food at great prices.
In addition, the boiler, which has been commented on by others and which Roberto warns you of, is a bit of a challenge. I have long hair and although I always turned the tap off each time between shampooing, using conditioner and shower gel, the water always turned tepid before I was finished.
Be warned that rubbish collection and street cleaning is a problem everywhere (!) in Rome. The city takes more care in the touristy areas but as Centocelle is in the periferia, it is done less frequently. If you know this, you will have no surprises.
To sum up, if you’re looking for a cute, clean place to stay for a few nights and don’t want to pay downtown prices, I would recommend Roberto’s place.