From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as you think.
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Home security systems—once the exclusive domain of high-priced professional installers—have never been more affordable, and the hardware and software is simpler, more intuitive, and easier to set up ...
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 ...
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