It is in a sense that the entrepreneur will have to convince many people. Starting with the entrepreneur. He describes this as doing a feasibility study of the pros and cons of the idea before selling or presenting the idea to others who will contribute to the business. For example, colleagues you want to join, investors who contribute money, and suppliers who will support the technical components. In this circumstance, Valdis affirms that the entrepreneur to succeed must always be ready to sell himself, then to sell his