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key fob or some RFID is much easier to use than getting out your phone, flipping through the apps, finding your door app, opening your door app, pressing the button (not registering), pressing the button (fuck, not registering), ahh there we go.. your door is unlocked.

If you're that worried about your nanny having a key, maybe you should stop trusting that person. A door lock only keeps out the honest anyway. Unless you live in a bunker.

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What if you have to travel and your friend is going to stay at your place for a night and feed your cat, but you aren't able to give him a physical key beforehand because he's also traveling out of state? It would be great to be able to authorize his phone to open the door. This may have happened to me.

>you aren't able to give him a physical key beforehand because he's also traveling out of state?

I actually had this issue once. I solved it very easily, I put the key in an envelop and mailed it.

I'll grant that breaking into a house is really easy, but it stops both the honest and the lazy, and most of us are usually pretty lazy.

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