Someone said that talk is cheap because the supply exceeds the demand. The same might be said of writing.
The world is full of aspiring writers pounding away at everything from a local newsletter to the next great American novel. They spend long hours honing their work, but most of it will never see the light of day, except perhaps as a blog post. As the rejections pile up, writers can easily get the idea that the whole publishing system is wildly irrational, if not actively malevolent.
I don't have all the answers, but I've been through it and have accumulated a lot of information about writing, researching, and getting published. Here is some of what I've experenced, along with my books.