Learn everything you can from your competition, and then create something even more valuable. - Josh Kaufman

Always focus the majority of your efforts on serving your ideal customers. Your ideal customers buy early, buy often, spend the most, spread the word, and are willing to pay a premium for the value you provide. The more ideal customers you can attract, the better your business.

Market research is the business equivalent of “Look before you leap.” Books like The New Business Road Test by John Mullins can help you identify promising markets from the outset, increasing the probability that your new venture will be a success.

Intervention bias makes us likely to introduce changes that aren't necessary in order to feel in control of a situation.