Sia was a great host. Very welcoming, flexible, and easy to communicate with. Location (especially for this price) is hard to beat. Very close to metro lines, Central Park, and Columbia University. It's important to note though that while you have your own room, you will be sharing the bathroom and amenities with other AirBnb guests - not just Sia. This was not clear on the listing, which I think is more a reflection of AirBnb not having enough customizable fields for the host. In either case you still are sharing the apartment, but I think the vibes change if you are sharing it with other AirBnb guests versus the owners of the apartment, and AirBnb should be more communicative about this.