Ebooks are a revolutionary way to publish your book without incurring the costs of print production. All you need is a relevant and targeted subject and some inexpensive software, and you can transform your manuscript into a book.
The problem, in terms of actually seeing any profits from your ebook, is that the market is overwhelmed with ebooks. Many of them are not worth the time it takes to download them. Just because someone can easily produce an ebook doesn’t mean they should.