You would need to put your keys in a faraday cage.

Distance doesn’t matter, as they can just use a bigger antenna or better amplifier. You find footage of people using large loops of wire to capture the signal from the keys

It doesn’t, but shipping is $5, still way cheaper.

Also, free shipping only kicks in at $35, so technically this doesn’t either.

Cheap items/electronics can be more expensive on Amazon than direct, though.

Amazon:

Direct:

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