I have been earning online since I retired from my own company (sold it) in 2000 and it has helped me enjoy my retirement a lot more by providing thousands of dollars in extra income.
One thing I have noticed in other forums on this topic, is most people in other countries earn very little from online efforts (unless they take high risks or can sell better than most) so it pays to pay attention to those who have experience at producing referrals. That is the best paying easiest work around.