a sales person should make a good impression to a customer. first, the salesperson must open their mind on a service because the purchaser gives you a chance to show your job ability. when you have a positive thinking, it indicates that you are a friendly and sincere. next, talking 30 second to make more impression if you don't make it in 30 second you must to try very hard for make a first impression. the vendor ought to more relationship with the shopper to a contentment