Providing a website for consumers to organize, maintain, and manage inventories of consumer goods for commercial purposes via the Internet; Providing consumer product information via the Internet; On-line tracking for others of warranties and service contracts for consumer goods for business purposes; Administration of a program for enabling participants to obtain discounts on goods and receive improved services; Promoting the goods and services of others, namely, providing information regarding discounts, coupons, rebates, vouchers, special offers and warranties for the goods and services of others; Providing a web-based system and online portals in the field of consumer-to-business commerce for consumers to enter, manage and modify their consumer preference information for use by merchants to create and manage offers for delivery to consumers; Providing an on-line commercial information directory on the internet