yeah id say just stick at it for now. characters who kill and sell the rewards start making money in the near 20's which you should get to with your start clicks if your a sub. after that you start getting magician staffs and a few other weps that sell 3-5k a piece :) then its just down to hard work unfortunately. look around for the transfer guide too, a few lower level characters like diggers or robbers can boost the finances of a higher level fighter considerably