Sneaking onto a planet at TL 10

[Diomedes]

Originally Posted by Lamech

Wait. Teleportation gates? Teleportation gates!? Simple smuggler pops out of hyperspace, activates his tele gate, sends cargo through. And then jumps out.

Not that simple; each gate is linked to a specific other gate, so if a smuggler carries a gate into the system, it won't take him down to the planet.