Stayed 1 month for November; 4th Airbnb in Sicily/Southern Italy.
Pros: Close to attractions, spacious room, 10 min walk from train/bus station. Cannot say enough good things about the Italians sharing the apt - kind, friendly people.
Cons/Things to know: Old, drafty despite "upgrades". Broken mirror, hole in bedroom balcony door, street noise so sleep w/ earplugs. Mosquitoes/ants most of Nov. Apt has 3 bedrooms that share tiny bathroom in kitchen. 4th self-contained bedroom accesses apt to use front door. Host upgraded Internet w/ extender that boosted signal thru apt but internet is shared by 2-3 apts, not just this Airbnb apt so connection lags/drops depending on usage. Ok for email, news but frustrating if you work online like me.
Fantastic people in the apt, cleaned daily. This saved an otherwise frustrating experience for me but I was still more than happy to leave.