The book provides an overview of the strategic and tactical methods of doing business, which in its essence is a peaceful analogue of military battles. Business as a livelihood, business as entertainment or play is a narrow understanding of such a complex phenomenon. Commerce at all times pursued the greatest profit as its goal, simultaneously affecting, in addition to the economic, political, social and even religious spheres of public life. Like military affairs, real men and exceptional women are engaged in business, but it has the greatest impact on the civilian population, that is, on consumers of goods and services. Fair and not too fair ways of waging competitive and internal wars are described in this book.