Providing on-line trading services in which sellers post items or services to be auctioned or otherwise sold and/or where buyers post items and/or services wanted to purchase, where bidding is done electronically, where consumers and/or buyers provide evaluative feedback and ratings of seller's goods and/or services, the relative value and/or prices of sellers' goods, buyers' and/or sellers' performance, delivery, and overall trading experience in connection therewith

Providing information regarding building supplies and construction products, via a global computer network