Remember,plan and be as original as possible.Getting ideas from other related sites will do you no harm,BUT copying and Pasting will mess you up.Duplicated content does not rank in search engines,and therefore what is the point of wasting time in the name of working hard?

Quality content is what will define whether you will get consistent traffic or not. Updating existing content will make search engines trust your site and rank you better! Traffic is what will help you earn revenue.

Yes,having traffic means visitors are finding your content helping in one way or another and satisfactory.keep on adding content,it will never be enough!