The Farmers' Market
What: The Common Folk hold a (generally) weekly Farmers' Market where interested patrons can peruse good ol' country victuals or find spare trinkets and leathers and bits of metal for their own uses.
How: The Farmers' Market vendors will sell their goods via private chat. They will link the various goods and the patron can buy what suits them; haggle or direct sale. Perhaps there might be trade/barter or even an order for more to be delivered the Tuesday next! The local channel will not be filled with trade-spam or linked items, but patrons can expect an occasional sputter about how the onions are nice 'n ready or that the leathers are cured to the best Hobbit-standards.
When?: The Farmers' Market has its own LoTRO Forum post here.