I even don't know if this is right place for this question: Theoretically - if I have idea for freelance business (nothing big - custom textures) how can I chceck if there is any demand for such a service? And how to attract customers? How and where can I advertise myself? Adding: I'm theoretically start from totall ZERO. Heph. I even don't have enough cash to rent a space for shop or advert...