Path of The blood moon
Trade or barter is more common then cash purchases. +1 item for +1 item or several +1 items for a +2. The better your barter and apraise is higher your chances.
silver is worth more then gold. 10 to 1. Most perfer to use silver to make a silver weapon. Platinum is still rare enough to be more valuble then silver.
1 pp = 10sp
1 sp = 10gp
1 gp = 10cp