Thx u all of u guys the response was a lot higher i expected. Im new in this forum im very glad there's this kind of community.. I will  save money to get a computer to mine... .. the last question pliz i dont want to be annoying.. but what kind of machine you think it could help me.. do you guys can recommend me a guide to build a the less expensive((i can save $30 each month) machine that could get me some profit...thx all for all your help...