The distribution of consumer goods is effected largely through a complex network of intermediary traders, who extend the area of distribution and often break down products into very small units for delivery to the ultimate consumer. A few trading companies, especially those with European equity and management, carry full product lines. Village markets are universal but tend to be more highly organized in the densely populated areas of the south. The great market centers such as Ibadan and Kano are attended by many thousands daily. Domestic commerce is limited by poor infrastructure, widespread fraud and corruption, and shortages of fuel that are exacerbated by illegal smuggling of gasoline across Nigeria's borders. The economy is still primarily cash based. As of 2002, credit cards were just being introduced to local banks. Advertising has increased markedly since independence. Newspapers, magazines, radio, television, billboards, and movies are all utilized.
Businesses and government offices are generally open from 8:00 AM to 1:00 PM and from 2:00 PM to 4:00 PM , Monday through Friday. In the Muslim north, establishments close at 1:00 PM on Friday.