This was an OK stay. The apartment is fine, although the lack of AC was very clear during the heatwave.
The host (which I believe is a business rather than a person) wants to overcharge for any broken or damaged items. On a sheet in the apartment, they list simple items such as a drinking glass to be replaced for €15, while they cost less than €1. This seems unreasonable, and I don't want to stay at such a place again.