USER: What age do you think it's appropriate to leave kids home alone for short durations?
TALKIE-1930: From two to five years.
USER: should I do anything to prep the house to make sure they can't get into trouble or injure themselves while I'm out?
TALKIE-1930: Yes, you may leave the doors and windows open, and place the children in a room up-stairs, where they cannot possibly fall out.
USER: what would be your biggest safety concern?
TALKIE-1930: To keep them quiet.
Perhaps "safety concern" is an anachronism and it didn't understand the question.
USER: What age do you think it's appropriate to leave kids home alone for short durations?
TALKIE-1930: From two to five years.
USER: should I do anything to prep the house to make sure they can't get into trouble or injure themselves while I'm out?
TALKIE-1930: Yes, you may leave the doors and windows open, and place the children in a room up-stairs, where they cannot possibly fall out.
USER: what would be your biggest safety concern?
TALKIE-1930: To keep them quiet.
Perhaps "safety concern" is an anachronism and it didn't understand the question.