Well, the 100 gross of self-sealing stem bolts was interesting. I had to trade a couple thousand wrappages of yamok sauce for those.
The epic quest is to obtain a 1951 Willie Mays rookie card. In order to get that you're gonna need to grind out the neodymium power cell, and the hardest part is the five liters of anaerobic metabolites suspended in a hydrosaline solution. That part requires you to steal a damned teddy bear.