Location, location, location! This place is in a great location in Marais, close to most major Paris attractions, but tucked away in a residential area with great shops and restaurants. Erwan was very responsive via e-mail and text and, though I didn't meet him personally, everyone I interacted with (check-in and check-out) was really helpful. The WiFi was the fastest I had anywhere in Europe, which was great for planning! Also, though the place is small, the fact that it has a combo washer/dryer means you can bring less clothes and just plan on doing some washing. I will be recommending this place to anyone I know who's traveling to Paris!