My mother and I said at Harris' place for a week. The location is outside of downtown San Francisco in a residential area but is still close to some restaurants, shops and grocery stores. It bus ride downtown is about half an hour, more or less depending on what area you are headed to. The MUNI bus system is easy to navigate and efficient. We took the MUNI and BART to get to and from the airport, this was very easy and user-friendly.
Harris was a friendly host. Before and during our stay he was available to answer any questions we had and responsive to our needs. The room was as pictured on AirBnb. It is a good size and comfortable.