Recognizing early signs of lock problems is crucial for home security. Here are five signs to call a locksmith in Nashville.Wear and tear can compromise lock effectiveness; signs include rust, misalignment, and difficult key insertion.Replacing worn locks promptly is essential for maintaining home security; call a lock replacement Nashville expert.Rekeying locks in a new home prevents unauthorized access from previous key holders.Stiff or jammed locks can indicate internal damage and require professional attention to prevent further issues.Losing keys poses a security risk; act promptly by rekeying locks or replacing them.Frequent lockouts suggest lock malfunction and the need for inspection and repair by a locksmith.Broken keys in locks can cause internal damage, requiring professional broken key extraction services.Upgrade to smart locks for enhanced security features and remote access control.After a break-in, consider upgrading to high-security locks or smart locks to improve home security.