Skip to navigationSkip to main contentSkip to right columnADVERTISEMENTMotley Fool Staff, The Motley FoolSat, June 6, 2026 at 10:36 PM GMT+2 16 min readIn this episode of Motley Fool Hidden Gems Investing, Motley Fool retirement expert Robert Brokamp looks at some investing rules of thumb that may be overly cautious, causing you to work longer than necessary. He also discusses:A study that finds that financial mistakes can be a predictor of dementiaSaving more for retirement not only boosts your portfolio but lowers the amount you need to have saved before you retire because you learn to live on less.The father of the so-called “4% rule,” who says it’s 5.5% for someone retiring today.Money management tools that not only track your spending but help you plan for retirement.To catch full episodes of all The Motley Fool's free podcasts, check out our podcast center. When you're ready to invest, check out this top 10 list of stocks to buy.Will AI create the world's first trillionaire? Our team just released a report on the one little-known company, called an "Indispensable Monopoly" providing the critical technology Nvidia and Intel both need. Continue »A full transcript is below.Before you buy stock in Comcast, consider this:The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and Comcast wasn’t one of them. The 10 stocks that made the cut are built for long-term growth and could produce monster returns in the coming years.Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $443,191!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,258,838!*That performance is why people listen. With a track record of beating the S&P 500 by 4x, Stock Advisor offers a distinct advantage. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built for the long haul.See the 10 stocks »*Stock Advisor returns as of June 6, 2026. This podcast was recorded on May 30, 2026.Robert Brokamp: Is your retirement plan too safe? And how financial mistakes could be a sign of cognitive decline. That and more on this Saturday Personal Finance Edition of The Motley Fool Hidden Gems Investing Podcast. I'm Robert Brokamp, and for today's main segment, I'm going to discuss a few assumptions about retirement planning that might be too cautious.Terms and Privacy PolicyPrivacy & Cookie SettingsMore Info