It it it When you re-enter workbench crystals should have stack. Place another crystal of the same kind in the top slot. Crystal should be in the bottom slot when you re-open the work bench. Press the assemble button and leave the work bench. Place the crystal in the top power Crystal slot. Note that once you have made Super Saber, changing colour will remove glitch and reset the Saber. Take the lightsaber you want to make into a Super Saber and remove all of the crystals and choose your colour. Super Saber Glitch requires multiple lightsaber crystals of the same type.
If you give Carth Armour and talk to Gadon, Carth still has armour and you have papers. This allows you to keep Sith Armour even after you give it to Gadon for identification papers.
There's also Sith Armour Glitch on Taris. This is a great way to get jedi knight robes and Eralam Crystal and some exp, but you wo get dark side points. You do have the option to kill him, but what was weird was that if you killed him, got out of the dreshade and went back to the cantina, he would be standing there like nothing had happen. If you're on Korriban and run into Juhani's old boyfriend or whatever, he will show up at the cantina in the dreshade.