first the cons: it's a big flat and it takes time to clean, so if check-out and check-in are the same day, cleaning might not be the best - but still not bad
second: it does need to be refurbished. it's a pity for such a great flat
now the pros: communication with the guys is spotless - the place is really amazing, lots of light, lots of space, really cool place for a long weekend or even more (i stayed here extremily comfortably for 10 days)
location is also great - very close to an area full of bars and restaurants, and 20 seconds walking from the metro, 10 mins walking from the train station.
If they improve the two points above, it becomes easily one of the best airbnbs of Milano