When that is the case, Superbid proceeds in the following manner: We contact the selling company. They analyze the contingent bid value and either approve it or not. - If the bidding value is approved, the winning bidder should complete the payment within the period stipulated on the Sale and Payment Terms. If the bidding value is rejected, Superbid’s Customer Support informs the bidder and the auctioneer does not consider the bid. See here what Contingent Bid is.