What is a rekey, and when should I consider getting one for my locks? Can a locksmith rekey all types of locks, or are some locks more difficult or impossible to rekey? What is involved in the rekeying process, and how long does it typically take? How does rekeying compare to replacing a lock entirely in terms of cost and security? How can I tell if my locks need to be rekeyed, and what are some common reasons to consider rekeying locks? Can a locksmith provide other security services in addition to rekeying, such as installing deadbolts or security cameras?