Not market related, but useful if true:

The overly long article makes the case that:

1. It is severe overkill to be changing your oil every 3,000 miles. 5,000 may even be more frequent than necessary–try 7,500.

2. If you use Mobil 1 Extended Performance synthetic oil, you can stretch it out to 15,000 miles.

3. Not included in the article, but I recall a big study by Consumer Reports that came to roughly the same conclusion. The experiment was done on NYC taxi cabs (iirc).

I hate changing oil and had been thinking of how great it would be to have a Tesla for that reason. But I could live with once every 15,000 miles.

anonymous writes: 

I think you can make an analogy here with time, risk, and energy spent on unnecessary trades that among other things, don't meet certain criteria, are part of a preset dogma that doesn't take advantage of market price movements, use of energy, capital, etc. that could be used for other activities, etc.


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