I just wrote a basic article on FIRE on the Dr Wealth website. You can read it here.
This article allows me to share miscellaneous thoughts on the topic that might not be appropriate for a primer on the movement.
a) Why did FIRE splinter into so many variants?
I had the same questions when I first read about Barista and Coast FIRE - both movements do not eschew the working world altogether, so they are short-cuts at best and half-baked ideas at worst. But I'm convinced that very few folks will complete the journey over time. FIRE influencers are overwhelmingly Tech or Finance professionals, and the MBTI personality type that dominates the movement is a rare INTJ type that is less than 5% of the human population. So, some kind of moderation to create a form of FIRE for ordinary humans is inevitable. Even...