We may receive a commission on purchases made from links. Each day, the Transport Security Administration (TSA) screens 1.4 million checked and 5.5 million carry-on items across nearly 440 airports.

Whether you're remotely worried about security in your neighbourhood, or you just want to be able to let guests and friends in without needing to hand over a physical key, there are a whole heap of ...

So you want a smart lock. Maybe you want to lock your door without leaving the bed, or maybe you prefer key codes instead of keeping track of physical keys. Smart locks are great for these things, but ...