<h1>Valuable Lessons from a Used Car Deal: Timing the Market and Short Selling</h1>
Papa?
What's up?
Can I have your Toyota 4Runner? Like, for the night?
No, so I can sell it and take advantage of this hot used car market.
Oh, sure. But you have to pay me $50 a month until you return the car to me, and you have to give me back the exact same car with the exact same mileage one year from today.
Deal.

One year later...
Son, I’d like that used 4Runner back now.
Well, about that. The car market kept going up. I can’t afford to buy the same 4Runner for you.
Thought that might happen.
So in the original contract, I put that if you couldn’t give me the exact same car, I would get to take all of your Apple products.
Wait, but you can’t just take my—
Oh, I can.
And now you have learned two valuable lessons:
<ul>
 <li>Nobody can ever time the market.</li>
 <li>You should never short-sell something if you can't cover it.</li>
</ul>
iPhone, please.