Stay was great! Host communicated well with clear instructions (might have been better if pictures of the lock was provided).
Location is good, a short 5-10 mins walk from Taksim and 10 mins walk to tram station that leads you to the tourist hotspots (Hagia Sophia, etc)
However please note!! The apartment is located on a hill, so please expect to climb a LOT of stairs, especially from the tram station. It is close to 5 mins of pure stairs, it should be manageable if you're moderately fit.