Penny, The Review Group's reviewer Penny for Your ThoughtsThe Review Group
Self-help ✦ Penny’s Take πŸ“± Kindle

A Richer Retirement

William P. Bengen Β· 2025
78/100
πŸ‘ Worth It

The guy who invented the 4% rule comes back to update his own math, and that kind of self-correction from the original source carries real weight. An independent review confirmed it's data-driven and practical, though it gets technical fast if you don't already speak finance. If you want permission to spend a little more in retirement backed by actual research, this is the one.

✦ Penny’s Take β€” this is The Review Group’s own editorial assessment. Penny’s analytical review line researched this book from real sources and scored it across the lenses shown below. It’s an honest first-party read β€” not a page-by-page personal one. The gold βœ“ Penny Tested mark is reserved for books Penny reads cover to cover herself.
As an Amazon Associate and Audible affiliate, Penny earns from qualifying purchases. This never affects the verdict β€” see our affiliate disclosure.
Show the math
Verdict receipt0–100
Faith & family safety85
Substance / usefulness85
Craft & writing75
Originality80
Evidence & accuracy80
Hype vs delivers55
Age-fit78
Human-eye read65
Penny’s verdict78
Cross-pollinate