Having your home accessed without your permission is a frightening experience and highlights the importance of securing spare keys. In this situation, the author observed someone repeatedly entering their home even though they were regularly invited over, raising suspicion. Installing a spare key with a trusted individual or under a safe mechanism is generally acceptable, but if that key ends up in the wrong hands, it becomes a security risk. Here are some practical tips to protect your home: 1. Limit who has your spare keys — only trusted family or close friends. Avoid hiding keys outdoors as this is often discovered by intruders. 2. Use high-security locks that make copying keys difficult. Some smart locks offer keyless entry and allow you to control or revoke access remotely. 3. Monitor your home with security cameras or doorbell cameras. This helps detect unauthorized entries and provides evidence if needed. 4. Change locks immediately if you suspect a key has been lost, stolen, or duplicated without your consent. 5. Be vigilant about unusual behavior, such as frequent unexpected visits or someone trying to enter without your knowledge. In any suspicious case, documenting the incidents and informing authorities if necessary helps protect your safety. Sharing authentic experiences like these raises awareness about the importance of home security and encourages proactive measures to prevent unauthorized access.