Would be useful to see some performance metrics, and, service history. How much produce is produced? How much time spent cleaning, repairing, or otherwise kee

Would be useful to see some performance metrics, and, service history. How much produce is produced? How much time spent cleaning, repairing, or otherwise keeping it running What preventive maintenance is required? i.e., other than a learning tool, if you just consider the small garden users, what's the return?