We stayed in Michael and Faith’s room for two nights and there are three things we would note about it.
Location: Definitely not center city, the place is located in a very quiet apartment neighborhood about a 15 minute tram ride from the city (Centraal Station). This can take away a little from your time in the city and add a little extra cost (buying the metro 24hr. (€7,50), 48hr. (€12,50), etc. pass is the way to go). Finding the place via the tram (line 26 toward IJburg) was really easy following the directions provided by Michael.
The Room: It is small. There isn’t much room for more than sleeping and luggage. In the room there is a small fridge, microwave, eating utensils (plates, bowls, utensils), a water heater, coffee, a small desk/table, two single bunk beds, and one double bed that are good to sleep on.
Hospitality: The hosts were super hospitable! Before we arrived Michael was easy to contact through Airbnb messages, even agreeing to have our train reservation tickets delivered to his home because they wouldn’t arrive in the U.S. in time. Though we never met Michael, Faith was very kind, welcoming us when we arrived, providing us with fresh towels, apologizing one morning for some slight noise from guests in another room, and making us coffee one morning!
Overall, as long as you are ok with the location and small space this is a good place to stay while in Amsterdam.