Their are many other work to do . Go to Buy sell trade section and than services section . You can find many jobs and apply to them according to your abilities . $ 50 is not a big task if you know how to write quality articles .
Earning at this thread is not so simple as it looks sometimes when you are reading someone threads and the posts, selling ebook or the website and the blogs, articles etc. Noone pay you $$ without getting too much from you, as the number of visitors are increasing and the members are increasing at this forums it is becoming difficult to survive for those who are enterily depending on this forum The number of sellers are more than the number of buyers. You need some good skills to write an ebook, website or the blog. All the best!!