Just about everyone has keys for their cars, where they live and work, for vehicles, and other locks and at some point we may need duplicates or to replace lost or broken ones. Even more critically, ...

Car keys these days are remarkably complex beasts. Covered in buttons and loaded with security transponders, they often cost hundreds of dollars to replace if you’re unlucky enough to lose them.

If you have ever locked your keys in your car, lost your house keys late at night, or had a lock suddenly stop working, you may have heard someone suggest calling a mobile locksmith. But what exactly ...