Systems and methods for sellers of goods and services for providing information relating to existence and features of what they provide, to buyers using a system as herein described that enables a buyer to identify and obtain collections of information that comprise a subset of the contents of a database having multiple records provided by a plurality of sellers. A seller may use a conventional home or office computer including without limitation PC's and MACINTOSH™ computers to transmit information to a system as provided, which is accessible to users also via a conventional home or office computer. A user specifies desired criteria and the system provides the user a subset of information upon which further decisions by the user can be made. In some embodiments, systems and methods provided relate to information concerning the inventory of new home construction in a selected region, which region may include a general metropolitan area.