Abstract: A method and a system to conduct an on-line auction within a network-based commerce system with respect to offerings on a registry. The method includes in particular receiving offer data pertaining to offerings from a plurality of potential sellers, the offer data including seller identification data and offering identification data. A registry associated with at least one registry owner is provided, with the registry including registry owner data, registry user data and a registry offerings list including offering identification data associated with offerings selected by the registry. Access to the registry's offerings list is provided to a plurality of registry users on the registry users list. Bid data from one of the registry users on a particular offering on the registry's offerings list is then received.

Abstract: Various embodiments include systems, methods, and software to manage offers in a network-based commerce system. One embodiment includes providing sellers an option when listing an item for sale to receive best offers for the item from buyers. This embodiment further includes receiving best offers submitted by offerees via the network-based commerce system and notifying sellers of received best offers. Some embodiments further include providing sellers an option to accept, reject, or ignore the individual best offers received. In some such embodiments, ignored best offers expire after a period, such as 48 hours. Yet further embodiments include notifying offerees of acceptance or rejection of their submitted best offers.