Throwing you out of a rental apartment is almost impossible. As soon as you pay a few euros in rent, it becomes very, very difficult
That's right, we once had that experience in a neighboring apartment - which is partly why I have an aversion to noise disturbances/neighbor music.
There was a neighbor who got her education from Bild and worked "mainly at night by a reddish lamp in the window." She blasted loud music day and night, and when we tried to talk to her, she either replied with "so what?" or "it's not my fault that you work during the day."
I don't know how many times I called the police on her. After that, there was always 15 minutes of quiet, then it got loud again. I think at some point the police even took her stereo system, but she apparently managed to get another one.
We also complained to the landlord about the situation - who informed us that he had been trying to evict her for over half a year since she also didn't pay rent. But always shortly before the eviction order, she paid a PART of the due rent - and boom, the order was off the table again. o_O