Originally Posted by
Antiokhos Euergetes
I don't know what benefits let's say pros and con's but they should represent the difference or status of a burg in Germany a free town, a castle is the Lords fiefdom the peasents and serfs being his responsibility. (far more complicated) free towns arose in a sense due to tax and merchant class, banking and loans. So the towns should be basis of trade and income. Castles are the Lords military focus. His feudal focus, depending on the culture and the way we understand feudalism today.