They normally list your house in multiple listing services where other agents access easily. (bluecollaragents.com)
Brokers and agents who manage data across a number of multiple listing services are often irritated by the time and money involved in maintaining various memberships. (realtormag.realtor.org)
To earn a place on the «overall performance» list, cities had to make repeat appearances on multiple lists, and earned points based on their rankings. (scientificamerican.com)