In an online four-tier offering and bidding process, a first offeror notifies traders of available products or services. Each trader then communicates offerings to resell the offered products or services to brokers associated with each trader. Then, the brokers respond with bids to purchase the offered products or services according to a reseller master agreement (RMA) which entitles each broker to offer to end users a subset of the offered products and services. A guest profile in the process contains entitlement definitions indicating allowable items about which a guest user may receive information but for which is to be restricted from placing bids, also according to the RMA. The process prepares entitled offerings through filtering an available items list according to the profiles so as to include only offered items per the guest's entitlement. These entitled offerings are then presented to one or more guests for review.