Staying in Claudio's apartment was great for us. First of all - flat is very cozy and clean, and has everything that one could need during vacation. We were warned that a bolier is pretty small, so we might experience problems with hot water - but it was not the case, it's enough for 2 people. Secondly, the location is extremely good: 10 min walk to Duomo sounds terrific in terms of Milan distances :) Apart from that, Claudio made a very nice list of various places nearby (restaurants, shops, bars) which he advises to visit - and this list is extremely helpful! I would definitely recommend staying in Claudio's apartment