Isik is very reliable host. He always answered us in a minute and also let us check out late. we had everything water, toilet papers,...
they even asked to clean the place for us.
The only thing is the place is in the middle of Taqsim and is not quite and the best place for sleeping, however you only have 2 minutes walks to train station, taqsim, Esteqlal street.
Also the furniture are old but still usable. Overall the host is great responsible person and the place worth the price , if you will spend most of the hours outside.