I do not think by changing job your problems will be solved. You have a weak 2nd, 5th and 12th house and that is what is causing all the concern. You have to be frugal in your expenditure, avoid wasteful speculations and then you will be contented in life. Your career house and the returns therefrom are strong enough in the horoscope. Read my blog navagrahastro.blogspot.in for more clarifications on the weak houses.