You can begin to make money at home by working for webmasters who need to make the forum they have created look better than it does now to help target visitors to the site. These webmasters will hire you to post information on a particular topic and they pay you for your post. This works well for the webmaster as their threads are being worked on and you get to write something interesting and get paid for it. What you have to say needs to be interesting and insightful to bring others in to continue the conversation and keep them interested.
Most forum posters are already spending a lot of time on these forums daily and they need to consider how it can make money at home for them in the process. Most who decide to work online with forums have found that by utilizing both methods above, the chances of making more money off one post is possible and better for the effort. The links and avatars on the specific forums they like are created by those who use the forums and can also be a source of money.