How the heck is salt that expensive when they have clothes that isn't a shades of dirt. Salt is a big component in dye making. Heck, how does their society even functions without salt for the sake of preserving ingredients.
@Tamerlane "Hello, welcome to my 40k Battle Report of Grot Rebellion vs Chaos Daemons."
"Hello, welcome to my AoS Battle Report of Gloomspite Gitz vs Legions of Nagash."