I read this book at 20. I started my ROTH at 19 while working through college and going on mostly scholarships so I was able to pocket some money I earned.
My gf/fiancé/wife/now 3 baby momma, struggled in the beginning to see the potential.
5 years in the light kicked on
Now 10 years deep, we live the model
Long before FIRE was a thing
https://www.amazon.com/Millionaire-Next-Door-Surprising-Americas/dp/1589795474