There is a fine line between an ego and confidence. An ego acts as a repellent. Confidence draws people in like a magnet. Sales professionals need to build and exude confidence, while avoiding an ego at all costs.
Sales Science vs Art
Sales should be looked at as more of a science than an art. The science lays the foundation for the art to be effective. For example, think about the meetings where you’re completely prepared versus the meetings where you’re completely unprepared. Which meeting goes well? Science versus art.