We had a great time staying at Jonathan’s apartment. For a very very good price you can sleep near the centre of Montmartre. After confirming our reservation, Jonathan sent us a detailed description to enter the place and where to find everything we need. There is WiFi available and even a list with addresses of hotspots in the neighborhood.
It may not be a 5 star hotel qua hygiene, but it is for sure clean enough and taken care off. So, we would recommend this place definitely! :)