Bogleheads, and the bogleheads guide to investing

https://www.bogleheads.org/wiki/Bogleheads®_personal_finance_planning_start-up_kit

https://www.bogleheads.org/wiki/Bogleheads'_Guide_To_Investing

I’m very glad that someone recommended me bogleheads, after reading, I was able to open up a roth and contribute yearly which may be one of the best personal finance decisions I’ve made.

The first time I saw this term used was on twitter, from a somewhat funny twitter troll.