A smart thermostat can be incredibly useful for saving energy since it controls your heating and cooling, but what happens if the thermostat's battery dies?

With living costs running 40%-60% lower than the U.S. and $2,000 monthly income unlocking a retirement visa, these six ...

Echo, Nest, Ring, Philips Hue, Arlo — we rank the best smart home devices of 2026 by category, with buying advice and Amazon links for every pick.

Channel Sounding, for example, lets Bluetooth devices like trackers and smart locks find each other more easily and accurately. But you'd be forgiven for not knowing anything about it.