There are many reasons why people consider self-publishing over the traditional route and this was covered in this post.  A further investigation of self-publishing may be needed for the potential author to understand the ins, outs, and type or self-publishing available to them.
The key distinctive characteristic of self-publishing is the absence of a traditional publisher.
Self-publishing [...]

For many authors just starting out, it can be a confusing and overwhelming decision whether to self publish a book or to seek out a traditional publishing house.
When it comes to publishing most people think of traditional publishing where the author completes a manuscript, writes a query or proposal, and submits it to a publishing [...]

For many authors self publishing is an option, but it will often seem too intimidating to pursue. This is truly not the case because in recent times the process to self publish a book could not be easier. Let’s take a look at how simple it is to self publish your book in record time! [...]