> cost of acquiring a customer > cost of serving a customer For a successful and popular product the cost of acquiring a customer is low. Heavy investments in

> cost of acquiring a customer > cost of serving a customer For a successful and popular product the cost of acquiring a customer is low. Heavy investments in advertising are needed for unpopular, overpriced products that naturally have a low demand. For example, almost everything that I buy I bought not because of advertising but based on the comparison of product price and quality.