Eduardo's place is a great location from which to explore Madrid. It's the main reason why people should stay here. It is a great location, yet also quiet.
Everything about the hostel is adequate. There are nice snacks in the morning and an espresso machine. We saw people using the full kitchen to make meals.
Guests should know that the bathroom is upstairs from the bedrooms. There is strong wifi throughout, but no cell phone service in the bedrooms which are in the basement. Because they were in the basement, it was a bit moldy but nothing alarming or that kept us up at night. Eduardo had a number of dehumidifiers downstairs so it's likely that it is an issue that's easily solved.
Eduardo is very communicative over the app but we only met other staff in person who were very nice but only seemed to speak Spanish.
We also used the washing machine which was a BIG plus!
Thanks for everything, Eduardo!