Sales Training Video #74 - Switching Cost: Barrier to Selling in a B2B Complex Sale. In this video sales trainer and expert Victor Antonio discuss the underlying cost of selling your product using the iceberg analogy. Total switching cost is the total cost to switch from one vendor to buy from you. As the total cost of switching goes up, the probability of a sale goes down. For more information on sales trainer and speaker Victor Antonio, go to: www.VictorAntonio.com