Kelly was a great and attentive host! She was very flexible and let my 2 friends and I check in earlier. She gave us detailed instructions on how to reach her place and also spent time explaining to us in person what good restaurants were nearby and how to get there and what attractions/landmarks we should visit. All necessities etc. were provided and we had a comfortable stay. Even though we were 3 girls, we did not at anytime feel unsafe in the neighbourhood. The only thing is the flat next to us was a bit loud at night so we all slept with earplugs. We could hear them watching TV in the evenings and one night, they were up arguing. So if you are a light sleeper, bring earplugs. Overall, my friends and I would stay at Kelly's again the next time we visit Berlin.