It is important to note that this achievement cannot be fulfilled unless you post your own original post in the correct forum. A comment on another's post will not fulfill the requirement. Also, be sure that you post your content in the appropriate forum and sub-forum. Follow these steps,
1. Click the following link: Forums
2. Click the blue "new topic" button at the top left of the page.
3. Make a title for your post and select an appropriate forum from the forum selector. Choose one of the sub-forums from the "Strategies and Resources" forum e.g., Short Term, Intermediate, Long Term, Technical Analysis, Fundamental Analysis, but NOT Helpful Links.
4. Write your forum post in the "Forum Post" field with any desired attachments.
5. Click "Save" at the bottom of the page.