Abstract: According to the present invention, there is provided a method for automatically updating a seller application upon connecting to a network-based transaction facility. The method includes receiving a request, by a seller application, to connect to the network-based transaction facility. The method also includes determining whether a category update exists for a category data structure maintained by the seller application. The method further includes downloading the category update to the seller application for each updating of a category data structure maintained by the seller application utilizing the downloaded category update.

Abstract: According to the present invention, there is provided a method to facilitate propagating a plurality of transaction listings to a network-based transaction facility. An input interface is presented at a seller application to receive from a user, a plurality of transaction listings, each transaction listing including an associated start time. Also, a data file is composed at the seller application to include the plurality of transaction listings. Moreover, the data file is propagated, using the seller application, from the client computer to the network-based transaction facility.