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“When we own portions of outstanding businesses with outstanding managements, our favorite holding period is forever.”

— 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 two-decade holding period possibly?

Suppose a “buy-and-hold” investor was considering an investment into AutoZone, Inc. (NYSE: AZO) back in 2003: back then, such an investor may have been pondering this very same question. Had they answered “yes” to a full two-decade investment time horizon and then actually held for these past 20 years, here’s how that investment would have turned out.

Start date: 03/31/2003
$10,000

03/31/2003
  $349,892

03/28/2023
End date: 03/28/2023
Start price/share: $68.71
End price/share: $2,405.22
Starting shares: 145.54
Ending shares: 145.54
Dividends reinvested/share: $0.00
Total return: 3,400.54%
Average annual return: 19.45%
Starting investment: $10,000.00
Ending investment: $349,892.43

As we can see, the two-decade investment result worked out exceptionally well, with an annualized rate of return of 19.45%. This would have turned a $10K investment made 20 years ago into $349,892.43 today (as of 03/28/2023). On a total return basis, that’s a result of 3,400.54% (something to think about: how might AZO shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Another great investment quote to think about:
“If a speculator is correct half of the time, he is hitting a good average. Even being right 3 or 4 times out of 10 should yield a person a fortune if he has the sense to cut his losses quickly on the ventures where he is wrong.” — Bernard Baruch