Home security systems don't need every add-on. These are the devices and sensors that don't add much value -- and that can save you money.
The Cool Down on MSN
Tech-savvy homeowners reveal 'practical ways' to keep the lights on during blackouts: 'That sense of relief makes it all worthwhile'
YouTuber Matt Ferrell designed his off-grid home for maximum resilience, including a huge solar array and backup batteries.
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