Professional security systems aren’t cheap. Not only are they expensive to have installed, they often require expensive monthly fees – which can quickly add up over the years. Thankfully, homeowners ...

From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as you think.

May 4, 2012 Add as a preferred source on Google Add as a preferred source on Google If you want to keep an eye on your home—whether you're worried about burglars or just worried about the dog getting ...

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The best DIY home security systems are affordable and easy to set up without a professional. NerdWallet is committed to editorial integrityMany or all of the products on this page are from partners ...