Conversation so far:
What was the economy like in Gaelic Ireland?
Gaelic Ireland was involved in trade with Britain and mainland Europe from ancient times, and this trade increased over the centuries.
Are there any other interesting aspects about the Gaelic Ireland article besides its economy?
In the Middle Ages the main exports were textiles such as wool and linen while the main imports were luxury items.
What kind of luxury items were the main imports in Gaelic Ireland?
What else did Gaelic Ireland's economy consist of besides import of luxury goods?
Money was seldom used in Gaelic society; instead, goods and services were usually exchanged for other goods and services (barter).

Question: Where did the exchange happen at?
Self-contained rewrite: Where did the exchange of goods and services happen at in Gaelic Ireland?