Generally not dissatisfied or satisfied with the flat, but, I would not reiterate the experience.
If you are not too picky about the general condition of the flat, (smell of smoke when we entered, even rules prohibit smoking inside?) noisiness, and some other flaws that could occur like holes in the bedsheet, you can give it a try...
Besides that:
-instructions are clear
-flexible check-in/out
-nicely situated in Istanbul
-cheap (that could explain the flat's imperfection, but it could be better, still)
- available & reactive host