The biggest value you can provide your readers is to be timely to current events.  If something related to your topic breaks out, you have to give your angle.  If you cover issues related to bitcoin for example and the price plummets, you have to post ASAP and give your wise input.  To provide real value ofcourse, you should be niche and you should be local.  So if you are an animal rights actovate you are expected to not just give your opinion, but to give the news.  You are covering a niche, meaning that you are the news source.  If you can do this steadily and maintain it for long periods of time, hence you have the following.