You read many online adds everyday with a chance to make money, but all of them requires extra efforts to make money.
To earn smart way choose the smart trend. If you have a PC and an online connection just start making money by switching on your PC everyday.
No need to sit in front of PC, just turn on your PC everyday and stay online for 10 hours. If your routine work includes computer then its a great opportunity. Make extra money by doing just routine work.
This method is really a great investment, investing in this system double your investment in a year.