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

Commentary: I didn't need a technician to come to my home to set up ADT's smart security system. Here's what it includes and how I did my own DIY installation. Kimanzi Constable CNET Perspectives ...

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 ...

We may earn a commission from links on this page. Credit: René Ramos/Lifehacker/OsakaWayne Studios, Jackyenjoyphotography/Moment, luismmolina/iStock via Getty Images ...

Add Yahoo as a preferred source to see more of our stories on Google. Home security is important, but a fancy security system over $500 with a professional monitoring service that can reach up to $70 ...

Modern security systems include everything from motion, glass break, and entry sensors to smart smoke detectors, doorbell cameras, and smart locks. Many home security systems offer both self and 24/7 ...

228.4834% OFF$149.99 at Amazon Pros: Cons: As our top pick for one of the best self-monitored home security systems, SimpliSafe is a clear overall winner. This wireless system is balanced and easy to ...

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 ...