Ever locked yourself out of the house? Or lost the key to a padlock? Picking a lock is easy with the right tools and a little practice. A few minutes a day will let you bypass simple locks with relative ease. All you need is a tension tool and a lock pick.
You can pick up a lockpick set and practice padlock from Amazon for a few bucks. The time and effort invested to learn lock picking will pay for itself the first time you, or someone you know, locks themselves out of the house. It is one of the many skills taught to CIA agents at the Farm in Langley.