If content is a main focus, breaking that down into sub topics would probably represent a natural progression.
With content based sites, generally what people are looking for is unique information and knowledge that can be valuable to others.
That's not easy to come by & there are various techniques people use in attempt to achieve that.
Google searching for "methods to get good content" or something similar might yield results.
The spacing on the buttons on the sidebar could be more even.
At the bottom of the site, the "footer" could use some work also.
Site looks pretty good the way it is. It just needs some fine tuning.
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Great! I have spare time, so your advice was implented and payment send, probably will find time for couple transactions today, anyone else?