There is a famous quote about customers, “Customer is King”. Some people renewed it “Prospective Customer is the real king”. Some added “sometimes” between is and king. Instead debating its multi-interpretation, just please beware of your customers! Whatever and whoever your customers, make sure your customers are happy at least don’t feel bad about your products or services. The snowball effects of unhappy customers could pull you down into the valley of ‘death’ as depicted on the graph. Once you disappoint your customer, immediately and efficiently dealt with it. Quick response could make 90% of your disappointed customers shop again.