Video: The Biggest Mistakes to Avoid When Selling Your Product or Service

"Sales is the lifeblood, the main artery of any company." So says sales expert Grant Cardone. Most people in business would most likely agree.

So, that means there's little margin for error when generating revenue for your company. In this video, Cardone shares the biggest mistakes business owners need to avoid, and the one critical must-have for any successful sales operation: swagger.