This was a superb experience. Lydie is extremely friendly. Her apartment is immaculate and has character and room for cooking if that’s your thing.
She helped me find a bus to the airport with ease (a perfect location for coming and going to the airport, by the way, as her apartment is one metre from the bus stop which takes only one connection to get to CDG).
She is in the 20th district which can get a negative reputation, but as a woman I did not ever feel safer or more comfortable in Paris than near her place, even near dark. In fact, I found the district to be one of my favorites because of the Père Lachaise cemetery, the local vibe, and the great food spots (and of course Lydie and her apartment!)
Upon returning to Paris, I would definitely try to book her place again.