Warren Buffett, one of the world's great investors, says his core success guidelines are:

  1. Do what you like.

  2. Money isn't everything.

  3. Work only with people you like.

  4. Buy businesses, not stocks.

  5. Invest only in what you understand.

  6. Don't over diversify.

  7. Keep looking for new opportunities.

  8. Buy businesses you plan to keep for life.

  9. Look for businesses that are available at a good price.