Warning: this page is a relentless work in progress.

  1. Never ever, ever invest in products you don’t understand.
  2. Sooner or later, fools shall be separated from their money.
  3. The price of a good is in the eyes of the person who wants to buy it.
  4. There is no such thing as a free lunch.
  5. An excellent product will not succeed if it is poorly marketed. A mediocre product with excellent marketing has a fair chance of success.

See also The fundamental rules of company management.

Credits

Photo by David McBee: https://www.pexels.com/photo/bitcoins-and-u-s-dollar-bills-730547/