Think about having a realistic information in your content. A relevant message in your content is what will place you in the top rank among others. If you have a useful information that you think others can benefit from, do not shy away fro providing the lead.
Plan your message very well prior writing and put them in a specific order well articulated.People will always be looking for a relevant information on a specific topic, keep it coming from your niche. The reason why some contents are ranked high than others is because of the relevance.
A specifically selected topic will carry information specific to that topic, therefore you will have a relevant information with you always. Creating topics from your niche will be of much advantage to you.