Hi
I think I might have some infection, Im having a discharge that's little white,brown or most of the times has no colour and has a bad odour, Ive been having it for about 4weeks now?

Any vaginal discharge that is coloured and has an odour is usually a vaginal bacterial infection. Do not use any douches. See your doctor.

Is there maybe any helpful home remedies that you can suggest?
Doctors is quite expensive, I know its for the best, but maybe I can try some home remedies?

A whitish discharge is often yeast, and there are drugstore remedies for that.
Brown might be old menstrual blood spotting once in a while.
BUT if the infection is bacterial, only an antibiotic will cure it. In some countries you can get antibiotics without a doctor's lab test.
Not a good plan to just guess. But if you must guess, see the pharmacist, who will help you decide.

Is there maybe any helpfull home remedies that you can suggest?
Doctors is quite expensive, i know its for the best, but maybe i can try some home remedies?

There are no home remedies to get rid of an infection. Vaginal bacterial infections left untreated will only lead to it other internal complications.