RESIDENTIAL ONE-TIME SHOWING AGREEMENT. Debbie has been offering Virginia Flat Fee Real Estate Listings and FSBO Services since 1994.We make Selling Your Home for Sale less intimidating. 1. Contact property owner(s) and make appointment with seller(s) for listing presentation. 2. A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. Fairfax County, Virginia - The First-Time Homebuyer Program offers access to new and resale homes to qualified homebuyers at below market prices. In this article, we'll cover the basics of selling a home in Fairfax, VA, and provide some tips for getting your property ready to hit the market. Fairfax County, Virginia - The First-Time Homebuyer Program offers access to new and resale homes to qualified homebuyers at below market prices. If the buyer comes to you with an Realtor, then you pay the commission you agreed to in the MLS Listing Agreement. How Does the New NAR Rule affect Sellers?