An interesting podcast with Bill Miller of Legg Mason, who is a value investor.
Investing Legend Bill Miller On Apple, Amazon, And Tesla
He mentioned that Jeff Bezos managed his business to gross profit growth and that Amazon's stock price was highly correlated to its gross profit growth. The idea is that all of the operational costs subtracted after the gross profit is calculated could in some sense be considered investments. The Amazon portion starts at about 18:00.
Focusing on the top-line growth, or as Bezos does on two lines below the top line, seems to be a very useful exercise. Let's leave aside the reasons why Tesla's top line is somewhat better than it has appeared because of lease accounting and the residual value guarantees. I focused on the top line in my simple analysis above. If Tesla can grow the top line at a healthy rate, the rest of it is just details. And we don't then have to argue about what should be included in the costs of revenue. The top line is where the quality of the product can be most easily measured. And it's where the product problems can be seen most easily, such as the late introduction of the X.
Bill also mentioned that he took a close look at Tesla in 2012 and got it completely wrong then. Going forward, he's not a fan because, in order of importance:
(1) Competition from traditional OEMs with vastly greater resources;
(2) Potential removal of subsidies under Trump; and
(3) Merger complicating any analysis of the company.
I don't really respect #1 and #2. I agree that #3 could be an issue inasmuch as SolarCity continues to do more residential PPAs than loan-and-purchase. The Tesla portion starts at about 35:45. Bill also addresses Apple buying Tesla, if you are interested in that sort of hypothetical.
In any event, here are the two relevant AMZN-v-TSLA tables. The first is the top-line growth. The second is gross profit growth. The second table demonstrates just how lumpy Tesla's progress has been and how much Amazon has been killing it recently. That said, I don't think Bezos would dream of 100%+ gross profit growth in year 10 of operations, as we can expect from Musk this year.
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