Location. Fabio's place is very well placed. A very short distance to Ortigia and local restaurants and bars. The trade off for the excellent location is some street noise, not too bad though, we didn't mind it. The bedroom is very big, plenty of space for belongings. The mattress is comfortable though note that the bed is very low. I'm tall and did find it awkward getting up in middle of the night, not a big issue though.
The kitchen is well stocked. We opted not to cook as the prep space was minimal and anyway the local food is great. Plenty of coffee and drinking water supplied by Fabio.
Fabio's father greeted us upon arrival, and kept a parking space out front for us. Much appreciated. We weren't lucky finding parking in the street during our stay but only had to park three or four blocks away which was okay.
I'm sure most guests would be out and about during the day, however if you are intending to spend time in the apartment be aware that there are building works going on which can be noisy and dusty. The area from the front door downstairs to apartment front door is quite dusty though this shouldn't affect your stay.