As a business owner, you're in sales whether you think so or not. Every day you have to sell yourself -- and your product or service -- to grow your business. If you're not sure you have the personality to succeed in selling, consider these 13 simple rules to create a superstar sales mindset. 1. Stay hungry. Every good salesperson I've ever encountered is driven. They have a strong work ethic and a high energy level. They work harder and longer than their peers. When the economy is poor, they are still out there pounding the pavement, making calls.