Business management service, offered via computer networks and global communication networks, providing vehicle sales leads to automotive dealers, assisting dealers with their personal management, allowing dealers to respond to customer inquiries and track those responses, allocating sales leads to sales staff, viewing used vehicle inventories, providing a complete e-mail application for the writing and receiving of e-mails, interfacing with wireless devices so that users can receiving, research and respond to sales leads while away from a computer connection, and offering reporting features that focus on various success ratios