The location is perfect. Very close to Taksim square and alots of shops and restaurants in front of building. Very safe area. If u drive car a bit diffecult to find parking but there is a parking house and pay parking outside building if there is free space.
apartment is very clean. The apartment has everything u need. good Wifi, TV with international channels and good WiFi.
Sertac is very good hoste and response to your text immediatly. I had room 5 in floor 2 with elevator.
Buy metro and bus card for 10 Lira and load it with money if you want to explore istanbul. Night live I sugest Taksim square and kadiköy beach".
if you want to meet girls also Taksim square is best place to meet girls/guys.
Food is between 10- 150lira in istanbul. Example a Chicken or kebab Sandwish is 18 Lira more than enough for one person. 0.5liter water cost 1.50 lira if you buy in small shops but in supermarket it cost 0.75 lira.
If you want to stay long time in istanbul I sugest u to rent an apartment via property rent and sale which you can find around taksim and other part of istanbul. Price for 2 bedroom plus 1 living room for minimum 1 year contract is around 1600lira per month around taksim square.
I hope this helped u.
I recommend Sertac place to everyone!