While real estate prices are far higher in large metro cities, the cost of many items are far lower in large cities because of the large volumes which reduce the fixed overhead expenses and inexpensive commuting. It is often difficult for many companies to find customers in small towns because of the lower volumes.
Exhibitions are a relatively inexpensive way of marketing items in a small town at a low cost for small businesses. More details of marketing in a small town using exhibitions at Hometown connection, with process and other details.