A method of allowing a seller in a multi-unit auction facility to offer buyers the option of buying an offering at a pre-auction seller determined price or using a regular auction process. In one embodiment, the option to buy at the pre-auction seller determined price remains throughout the auction as...http://www.google.co.uk/patents/US20060293994?utm_source=gb-gplus-sharePatent US20060293994 - Method and system to enable a fixed price purchase within a multi-unit online auction environment