It is your choice to short this.
The one who owns the NPC Trader get’s only 77% of the package. The buyer however pays the normal price (100%). If you play that ping pong game you will both have soon 0 credits.
It’s 3 jumps, not 6:
https://forum.empyrion-homeworld.net/uploads/default/original/1X/718575116ebde9e82bc3f6acd1045e506bb38cd1.jpg
In combination with the HWS Blue Crystal auto miner and my overall plenty crystals on the planet I didn’t hear a “grind for crystals” cry yet. But yeah, I am open for discussions.