I stayed in the apartment for 1 night in sept. Overall the apartment is in a great location with easy access to the duomo and metro. I didn't meet Sergio but instead worked with one of his employees, who was very nice. We had some difficulty reaching them through the airbnb app but had better luck when we called. The only issue was that there was a slight stain on the mattress but not on the sheets. Other than that, check in and out was easy and the breakfast was simple but good enough.