It was found that the Physician would not catch up to the net worth of the UPS working until his 50's mostly related to getting started so late going to work after med school and also the large student loan debt that has compounded interest for all of those years. 

Why compound the problem?

And, that doesnt include investing that 50% ROI and compounding it into even higher gains.

Everyone talks about college debt, but nobody is speaking about the additional opportunity cost AND the compounding value of the dollar! 

:The Millionaire Next Door - Thomas J StanleyThe Millionaire Mind - Thomas J StanleyEntreleadership - Dave RamseyThe Compound Effect - Darren Hardy (And his little goal setting book "Living Your Best Year Ever")Never Split the Difference - Chris VossThe Millionaire Fastlane - MJ DeMarcoIf you want to get a bit outside the realm of strictly business and self-improvement, there are a couple of good ones that I've read recently:The Paradox of Choice - Barry SchwartzGuns, Germs, and Steel - Jered DiamondAnd, just for fun, I've been reading the Horatio Hornblower series by C.S.

The CAGR (compounded annual growth rate) as far as appreciation goes is 1.61%.

The Compound Effect by Darren Hardy3.

Setting aside the fact that Roth IRA is tax free at retirement and 401k is taxed, both give you the opportunity for compound interest which is so extremely powerful, especially for young investors who socked away any amount they can in their 20’s.

I tend to forget that it's a privilege to bring both good and bad news to people and at the end of the day save a life.Dreaming about creating something, and making passive income/wealth to pass on to my kids.  

It's probably better for W2 corporate people than for investors.From my perspective, true real estate investors should study compounding interest, economics, finance and accounting.