Communication and check-in was a great experience. The hosts were extremely responsive to my messages and allowed early check-in upon request. In addition, when I needed help with using the laundry, they were quick to lend me some laundry detergent and am very grateful for that. Also, the Wi-Fi was better than expected!
This is a prime location that's 10-15 minutes walking distance from main streets, cafes, restaurants, and other popular tourist locations (i.e. listing in the Guidebook). I was here for five days and only used public transport for one of the days.
Amenities could be improved a bit (had to buy shampoo and soap), but making requests with the host made our experience much, much better.
Overall, had a great time in Madrid and will definitely be back at this Airbnb in the future.