My wife and I stayed at Elisabrth's apartment in May 2015. Elisabeth was an excellent host. We appreciated her willingness to meet with us on the morning of our arrival and let us into the apartment.
The apartment is well located (near the Louvre and Place de la Concorde) and nice appointed. It is small, but we thought that we got good value for our money. You do need to raise and lower the bed each day, but it was comfortable. The view of Sacre Couer was a nice addition.