This should be recorded on the Guest Card or on the electronic Guest Card in the Notes section, and absolutely, yes, this should be discussed with the entire team, including Maintenance. Even non-verbal cues should be listed, such as, "Prospects wrinkled their noses upon entering the unit shown." You can imagine how the why of this would be very important! It would give you some ideas, too, of why a particular unit is not renting, for example.