The most important items to negotiate or at least keep in mind are exclusive agency vs exclusive right to sell, fee vs no fee, the protected buyers clause. Exclusive agency in real estate refers to an agreement where a homeowner grants one specific agent and their brokerage the sole right to market their property.In the event a COOPERATING. A listing agreement allows a real estate agent to sell a piece of property and receive a commission when the sale is completed. Exclusive agency and exclusive right to sell are the two most common types of listing agreements a seller will sign with their real estate agent. Brokers generally require that sellers sign an exclusive right to sell listing agreement.