The most profitable way to make money online I think is by promoting affiliate products. Some of the ways to earn money online work but only to some certain level. You may earn money online in this way. If you are way too serious and determined about earning money online, then it is necessary for you to develop knowledge and techniques in affiliate marketing.
You can also make money through blogging. The only important thing here is to have original and unique content. It may not sound easy but it really pays when you have started blogging. Once you have set up a blog, you can do reviews about products of certain companies who want their sites to get promoted. You can be paid well for the articles you have made for them. Blogging is one of the best income opportunities online nowadays.
Another way to make money online is by playing video games that are not even on the market yet. This is really an easy and fun. You are just playing yet you earn. There's no pressure. The only setback is that you should already have the system for the games you will try because you will only be provided by the game and forms that you will have to fill out.
If you the skills in photography, you can also make money out of it online. You can impress people from your masterpieces. There are a lot of photography agencies online and they can help you sell your photos.
There are lots of online opportunities out there. Setting up your own website can lead you closer to getting more opportunities.
