If you have old smart home devices you are replacing or don't use, I have the ways to give them new life and purpose.

This old-school door accessory was all the rage in the 1990s, coming in an array of attractive brass finishes while making homes safer and more secure.

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

That drawer full of abandoned smartphones isn’t a digital graveyard-it’s untapped security gold. Home security cameras cost hundreds plus monthly subscriptions, but AlfredCamera transforms any old ...