The Goods is a valuable trading tool for everyone. But most players also enjoy trading with their friends & neighbors. BK's makes this aspect of your trading easier.
BK's is not a big store.
At BK's, there is no huge stock.
There are no tellers.
There is no complex pricing system.
Your friends & neighbors respond to your posting. Only occasionally will BK's respond to your posting. You may trade with whomever you please. Trading with BK's will never be a requirement.