The economy of the Gambia is a liberal, market-based economy characterized by traditional subsistence agriculture, a historic reliance on groundnuts (peanuts) for export earnings, a re-export trade built up around its ocean port, low import duties, minimal administrative procedures, a fluctuating exchange rate with no exchange controls, and a significant tourism industry.
Banjul is the capital of The Gambia. Banjul is the country’s economic and administrative centre and includes the Central Bank of The Gambia. Peanut processing is the country’s principal industry, but beeswax, palm wood, palm oil, and skins and hides are also shipped from Banjul’s port.
Banjul has an overall cost of living index which equates it with low cost of living locations. The overall cost of living index is comprised of the prices for defined quantities of the same goods and services across all 13 Basket Groups.
The latest cost of living rank for each of the 13 Basket Groups is now available.
Expatriate International Cost of Living 
so whats the cost of living???????????