>>3302438i think you'll find that people often devote time and effort into something that lacks a guaranteed financial return, those people being artists.
clearly it'd start out as a hobby and if you wanted to make a career out of it you would. as with most things. or does a musician land a job as soon as he learns how to play an instrument?
point is, however lucrative it may be depends on you. but as a 'genre' of photography i find it much more compelling than most
