Salespersons have to understand what are the likes and dislikes of their prospective customers. This makes a salesperson sell the products effectively to the customers. For selling products to the customers they should also understand the body language of the customers. Imagine you are a salesperson and you are trying to sell your product to a future customer. You are communicating with him both verbally and non-verbally with body language.
When a salesman is trying to sell a product he happens to receive a lot of signals for acceptance or rejection of the particular product from the buyer. You can understand the positive signals from the eye movement of the customer, facial expressions, the movement of hand and leg movement. So the salesman should try to be intelligent enough to understand the non-verbal expression of his customers.
But, what are the tricks you should use as a salesman to understand your customers?