A method is provided that includes maintaining a database including information associated with a real-estate portfolio of an entity, where the real-estate portfolio includes one or more real-estate properties. The method also includes receiving selection of a property in the portfolio for offering one or more percentage ownerships thereof. An offering of one or more percentage ownerships of the respective property is initiated in response to the selection, initiating an offering including automatically notifying one or more other entities of the offering. And commitments are received from one or more other entities regarding respective percentage ownerships of the property to thereby facilitate the entity and one or more other entities concluding a percentage-ownership transaction regarding the property. As provided, the offering is retractable by the entity until the other entities commit to purchase, in the aggregate, a minimum percentage ownership of the respective property.