Oil is marketed among other products in commodity markets. For information on futures markets in specific underlying commodity markets, follow the links. They may, however, be subject to regulation by the Commodity Futures Trading Commission. Those that buy or sell commodity futures need to be careful. Storage costs are costs involved in storing a commodity to sell at the futures price. The contracts were subject to review by the Commodity Futures Trading Commission. The costs of producing low margin and commodity goods have increased. Coffee is the most well-established fair trade commodity. Sugar was a rare commodity and traders of sugar became wealthy. The South developed an agricultural economy dependent on commodity crops. The most important agricultural commodity is rice. Socialists draw parallels between the trade of labour as a commodity and slavery. Socialists draw parallels between the trade of labor as a commodity and slavery. Sugar was the first consumer commodity rationed. It is traded as the commodity, yellow grease.