how to make more money for yourself or your business

Few days ago i visit the site MBAbriefs.com where i find the intresting article written by David.The name of the article is THE BIGGEST MARKETING MISTAKE YOU CAN MAKE. In this article he says that whenever u r launching new product or services try to focus the current customers because acquiring new customers can cost five times more than the costs involved in satisfying and retaining current customers.For more detail visit the site mbabriefs.com