The words “sale” and “introvert” doesn't seem to go along very well. As an introvert you might be scary getting out of your comfort zone and meet with potential clients face to face; sounds familiar?
A salesperson must be professional, customer oriented, knowledgeable, not pushy or aggressive and spend more time listening; therefore, an introvert can become great salesman/saleswoman. Introverts have good verbal and non verbal communication skills, tend to build long-term relationships and create loyalties.