If you are traveler and want to save money and see whole world, you need save  more.
In Baku you can buy whatever you want, but prices are different and changes from the center of city to the suburbs. If you want spending a little bit less money, then you re welcome in this mini article.
Cheap and quality can be gather in the 28mall shopping mall, Xalqlar Dostlugu  subway , Akhmedly subway alley and so on. There are rich with mini boutiques and can be bought everything for a cheap. There are  also so many restaurants, cafes, dining rooms, karaoke and so on.

I am giving google maps links for best destinations.

Xalqlar Dostlugu
Akhmedli
28 Mall
Sadarak shopping center
It is good to start something new, if need extra information you can add some comments and I will answer.