I used AirBnB in Paris a couple of years ago for a 3-week stay. One week prior my arrival (I was already in transit), I received a notification my rental was cancelled because the building will be renovated, and they were expecting water and gas shortages during my stay.
That could be true. It could also be that the apartment was withdrawn from the rental market because it was sold or because the mayor´s task force mandated it so.
I understand traveling on a budget and that the low cost of rental apartments is a big draw for many. However, there are well placed hotels which are not overly expensive. Consider these:
Cosmos Hotel
Hotel Diana
Hotel Marignan
Paris Lux Hotel