Enjoyed your post, most informatively, liked the detail and rules-of-thumb such as needing 25x your annual expenses.

I've been exploring, and actually doing, early retirement too.

https://medium.com/illumination/should-you-take-social-security-at-62-or-wait-8319c2ac2c1e?sk=394b7330bbc0c6390d5971c669beba77