This article discusses guidelines around leaving children home alone or having them care for younger siblings. It notes that laws vary by location but typically consider a child's age and development. Examples are given showing that in some areas, children under age 8 cannot be left alone, and children ages 8-10 may be alone for up to 90 minutes. The article also provides tips for latchkey kids, such as establishing safety plans, check-in routines, and ways to handle emergencies or feelings of loneliness.