I got the shop owner to haggle down to 1500 for the droid. But the game crashed and I went back and just told her I was taking it for free. One dark side point can't be that bad ...
How to get by the Rancor (upper sewers): I just lobbed 6 grenades at it and it died. Lob 1 grenade, run out of the room, repeat 5 more times. The preferred method probably has something to do with putting the odor items on something and getting the Rancor to eat it, but I couldn't figure...