Erhan is a very nice man, he was very quick to respond and help with some things
As for the apartment:
Pros:
* Close to Taksim square and Ishtiklal
* Almost everything you need to live for a short period is here
Cons:
* Very bad wi-fi, it's pretty hard to watch videos or work
* The bathroom is noticeably colder than the apartment (I was here in winter) and plumbing needs to be repaired
* Poor soundproofing