Entrepreneurship is about creating innovative ideas and transforming them into ventures that generate value. Through the years the only way how entrepreneurs documented their ideas and presented to investors was writing business plans. However, it is widely recognized that business plans immediately become obsolete after first meeting with reality. Business plans are also too long to write, they are seldom updated, almost never read by others (even investors for whom they were written). Nowadays everyone in the entrepreneurship world speaks about business model as more important issue than business plan. There are plenty of materials about what is a business model, how to use them; more than 40 different types of business models appeared since 1985 (M. Porter). However, only a few words said about why and when particular model of business model should be used for idea development and venture creation. This article is aimed at disclosure of mindset behind business model approach to entrepreneurship. Second purpose is to define main ways how business models could be applied to entrepreneurship.