From using existing wiring to repurposing old hardware or smart devices, keeping your home secure might not cost as much as you think.
We may receive a commission on purchases made from links. There are few things more precious to people these days than their families. That being the case, it's reasonable enough to assume that the ...
We may earn a commission from links on this page. Credit: René Ramos/Lifehacker/OsakaWayne Studios, Jackyenjoyphotography/Moment, luismmolina/iStock via Getty Images ...
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