1. Pencil Lock
Estimated New Cost: $160–200*
Estimated Cost (DIY): $2.99* for twelve
“Do not take this pencil; it functions as a lock.” is written on the wall in a scribbled font that resembles a hostage message. One person’s house-alone-style approach to house security is to jam an unsharpened pencil into a lock’s slot and hope it stays in place. There is no chance that this will succeed unless the burglar is extremely frail.
@sopitas Pencil Lock and Pinterest
Pencils are available at Staples for $2.99 per dozen. An industrial door such as this would require a heavy-duty door lock, which can be purchased from Home Depot for $160 to $200 (installation included). Even though there is less than a 1% probability that this plan will succeed, it is obviously less expensive.
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