How can i earn $400 a month?

China
February 18, 2011 11:27am CST
I am a medical student and my father afford my all cost. But i want to afford some of my cost. I want to earn some money.I couldn't find any good part time job. That's why i want to work online and want to earn $400 a month. Now i am also earning some but that are not enough for me.So can anyone tell me how can i earn $400 a month? How much you are earning now in one month?