Would it be possible to come up with a basic list of approximate prices for things in the world and in different parts so that people have some idea of how much stuff should be costing. A range would be fine, since I know there is the skill that allows people to appraise the cost of things.
Examples of prices that would be useful:
cost of a basic meal or rations or a drink
cost of a night of lodging
cost of a new shirt, pair of pants, basic clothing
cost to repair armour
cost to have a wound healed
cost of a bodyguard per hour/day
cost of spell components (i.e. X component costs a few coppers per dose, Y component costs a few silvers, Z costs a few gold, etc.)
cost of weapons (i.e. a dagger, sword, staff, crossbow, arrows, guns, black poweder)
cost to have new armour made (ie. leather, chain, plate)
I would also be helpful to know how easy it is to find certain things i.e. weapons and spell components. Saying something like:
commonly available in all places/ X, Y, Z countries
can be found with a bit of searching
will take good amount of time and searching to find
very difficult to find
pretty much impossible to find
there is no way in hell you will find it no matter how long you look since it is practically a legend but go ahead and try anyway little mortal...