Here is one of the many residual income opportunities in the internet that you can make money with. As this blog preaches, the knowledge of HTML is of great use when you are going to make money online. But it is not only through using HTML to create pages that you can make money with.
You can also make money with HTML by sharing it. Teach other people how to use HTML and this could be a great residual income opportunity that you can make. First, you can have tutorial with the people around you for a fee, your office mates, friends and other people in you community.
But to reach more people, why not create a HTML tutorial website? In such a way, you can reach more people and you can make money in the process. See? HTML is one of the great residual income opportunities out there.