That's good, it is good that you own a forum and I believe that will be a good idea to earn money from it, forums are also one of the best way to earn money online.Forum is one of the best place which someone can make money but if you are planning to start a forum I think that you need a budget for that,I own a forum and I believe that sometime you need to pay from hosting to some other stuff but for social media I think that the best way to make money is through affiliate marketing