Lisa's flat is well located - a few blocks from the Old town and U-bahn. Everything went well with our check-in, the flat had what we needed, and the cafe across the street provided a nice breakfast. Communication with Lisa went well - she arranged a taxi to take us to the airport on the last day of our stay which was a great help to us.
But, the street noise was really quite extraordinary - Flat 1 is on the first floor on the street side and it was extremely loud in the middle of the night (and this was not during Oktoberfest, we were in town for 2 nights in mid-summer). I can not imagine how we could have slept without the earplugs that were provided.