Yup; I stayed in a rented room (AirBnB) in Vienna with a few software developers in their 20s, 25 euro a night. Their penthouse apartment directly overlooked th

Yup; I stayed in a rented room (AirBnB) in Vienna with a few software developers in their 20s, 25 euro a night. Their penthouse apartment directly overlooked the Danube. I couldn't believe what a deal I stumbled upon, but then I found some of the clean budget hotels (Ibis or similar) were like 45 euro a night. In a major European city!