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“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”

— Warren Buffett

Investors can learn a lot from Warren Buffett, whose above quote teaches the importance of thinking about investment time horizon, and asking ourselves before buying any given stock: can we envision holding onto it for years — even a ten year holding period possibly?

Suppose a “buy-and-hold” investor was considering an investment into Amazon.com Inc (NASD: AMZN) back in 2015: back then, such an investor may have been pondering this very same question. Had they answered “yes” to a full ten year investment time horizon and then actually held for these past 10 years, here’s how that investment would have turned out.

Start date: 05/01/2015
$10,000

05/01/2015
  $87,233

04/30/2025
End date: 04/30/2025
Start price/share: $21.14
End price/share: $184.42
Starting shares: 473.04
Ending shares: 473.04
Dividends reinvested/share: $0.00
Total return: 772.37%
Average annual return: 24.17%
Starting investment: $10,000.00
Ending investment: $87,233.23

The above analysis shows the ten year investment result worked out exceptionally well, with an annualized rate of return of 24.17%. This would have turned a $10K investment made 10 years ago into $87,233.23 today (as of 04/30/2025). On a total return basis, that’s a result of 772.37% (something to think about: how might AMZN shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

One more piece of investment wisdom to leave you with:
“If you’re prepared to invest in a company, then you ought to be able to explain why in simple language that a fifth grader could understand, and quickly enough so the fifth grader won’t get bored.” — Peter Lynch