I stayed at Carola's place for just two nights, but thoroughly enjoyed my stay. The room is as described in the photos and write-up (i.e. fairly small, but plenty of room for one person), and the entire apartment is scrupulously clean. The location is excellent, just a minute away from a metro stop and a tram stop.
Carola was very accommodating: I was able to check in earlier than her standard check-in time, and although I left very early in the morning, she got up to see me off. I appreciated that I got my own set of keys, so I could come and go whenever I wanted.
I also appreciated the thoughtful suggestions Carola provided of places to eat in the neighbourhood. She was also happy to help when I asked for suggestions of good places to buy meat and cheese to take home with me.
In general, this is an excellent AirBnb - comfortable, in a lovely neighbourhood, close to the city centre, with a friendly and generous host. I recommend it!
P. S. There are some restaurants and cafes on the ground floor of the building, which are open at night. You can hear them if the windows are open. I slept with the windows closed as the nights were still quite cool in early April, but if you visit in summer you might want to bear this in mind if you're sensitive to noise. The restaurants don't pump music like a night club or anything, but it won't be completely silent.