Yes it is possible to make money online without investment, joined ptp forum like this, or paid survey, faucet, is free online source without investment, but usually the result also low, reached 1$ earning sometimes needs few days work. But if we read success story, many from them investing money to make money. I think ad,min forum here also they investing money to make money, while I am trading forex with FXOpen also investing money to make money. All business has a risk, but if we can handle the risk, it is possible becomes rich from investing.