The 3 AM Call That Changed Everything   It was 3:17 AM when Sarah's phone rang. The heating system at the family's Hamptons estate had failed—in January. The family was arriving that weekend for their annual winter retreat, and the backup generator wasn't responding either. As she frantically called emergency repair services, watching repair costs skyrocket into five figures, Sarah realized she was trapped in the expensive cycle of reactive maintenance. This crisis could have been prevented with a proper preventive maintenance checklist system in place.   That morning, everything changed. Sarah committed to building a comprehensive preventive maintenance checklist that would protect the properties she managed and give her the peace of mind she desperately needed. Furthermore, this system would transform her from constantly firefighting to confidently anticipating and preventing problems before they occurred.   Why Most Property…