You will get more exposure for your product or brand name. You get more link backs to your website and therefore increasing your page ranks and alexa traffic rank. This means more customer and more sales.

Remeber the market changes continuosly. New families in the area mean new customers to reach. People earn more money, which means changes in lifestyles and buying habits. The shopper who wouldn't consider your business a few years ago may be a prime customer now. Remember20% of families will move this year, 5 million people will be married and 4 million babies will be born*

*National Center for Health Statistics