A one time showing agreement can give an agent permission to enter the sale, it does not conform to contracts we accept for entry. Total Commission, Firm will offer a cooperating member of MLS representing a buyer ("Selling Firm") a commission of.Seller agrees to sell to Buyer and Buyer agrees to purchase from Seller the following described real estate in __________________ County, State of Washington. Forms are state specific because real estate laws vary significantly from state to state. You can set the timeframe of the contract. It can be 60 days or 1 day. A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. If this Agreement is for conveyance of a buyer's interest in a Real Estate. You can clean out your car and show buyers homes all day, every day, for a week. Then, they can walk into an open house and buy from a complete stranger.