To scale it up you would have to basically create an exact duplicate of your body and then somehow entangle all the molecules of that duplicate to those of your body, somehow maintain that entanglement, and oh god I'm getting a headache even thinking of all the different extremely implausible things you would have to do. If there is some other mechanism that somehow allows for teleportation who knows, but quantum teleportation isn't really gonna scale up.
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To scale it up you would have to basically create an exact duplicate of your body and then somehow entangle all the molecules of that duplicate to those of your body, somehow maintain that entanglement, and oh god I'm getting a headache even thinking of all the different extremely implausible things you would have to do. If there is some other mechanism that somehow allows for teleportation who knows, but quantum teleportation isn't really gonna scale up.