[WSO] – Kindle RED
You can actually make $1000+ a month per book in niches like humour, even if you’re self-published.
There is a 2014 Amazon Book Niche Trend Report included with 50 niches that have 2-3 books ranking under #10,000 in paperback or Kindle.
This is pretty newbie friendly.
You haven’t heard of this stuff before.