When I started making money online it was by doing some freelancing. Then I went back and forward doing lot of things like join hype(lost tons of money, I was really stupid), youtube marketing( I am currently doing that). My recomendation is to learn something, and try to implement it but do it with the mindset of a businessman, there is not such a thing as easy money and if it, it will not last. Do not base you effort in such a things, maybe it will take you more to make money but when you start, it will pay off.
Literally so many ways to make money. But the secret is to do something unique that not THAT many people are doing. Start an online business for instance. But make it something specific. Like hosting x games or something.