E-Myth in the business vernacular refers to the Entrepreneurial Myth, and refers to the fact that most businesses fail because the founders are technicians that were inspired to start a business without knowledge of how successful businesses run.

The mythic and often disastrous assumption is that people who are experts regarding technical details of a product or service will also be expert at running that sort of business. Many small business owners eventually realize that just as they had to learn their technical skills, they have to learn business growth and management skills.

E-Myth is also...