A real estate runner can enhance mobile notary services by acting as a liaison between clients and notaries. They can schedule appointments, ensure all required documents are complete and ready for signing, and travel to meet clients at their convenience. By handling the coordination and logistics, the runner ensures a seamless and efficient notarization process, allowing clients to finalize important documents without the hassle of travel or scheduling conflicts. This service adds a layer of convenience and professionalism, enhancing the overall client experience in real estate transactions.