1. A system for facilitating an auction, comprising: a processor configured to: receive a plurality of bid variables from a bidder, wherein at least one bid variable is designated as a fixed variable and wherein at least one bid variable is designated as an adjustable bid variable; determine an initial total bid value for the bidder based at least in part on the received bid variables; receive at least one subsequent bid variable from the bidder; and adjust the total bid value for the bidder in accordance with the received subsequent bid variable and one or more rules governing the adjustment of bid variables designated as adjustable bid variables; and a memory configured to store the one or more rules and configured to provide the processor with instructions.