In today's economic climate it's becoming more important to establish relationships with you clients to ensure them that you have their best interests at heart.
It's becoming more evident that consumers are not always buying the cheapest products anymore but rather take the advice from family, friends or the experts as to what to buy and where to buy it.
Therefore you should be looking to build a good relationship with your clients. Such a relationship will build faith and confidence in your product - and it will keep your customers coming back time and time again. They know you are the expert and that you will always give them sound advice.