Training in an MBA program is an expensive pleasure and not always a justified investment. Even the most prestigious business schools, like Harvard or Wharton, offer outdated, cookie-cutter programs that will teach you PowerPoint slide mastery and useless financial models rather than business management techniques that work. Josh Kaufman believes you'll get more results (and save hundreds and even thousands of dollars) if you engage in self-education. In his book, he outlines the basics of entrepreneurship, marketing, sales, financial management, explains key concepts in the field of system design and personal psychology. From numerous theories and concepts, the author selects the most valuable ideas and presents them in the form of simple and memorable mental models that can be used to solve any business problems.