As with any other commodity, it is clear that rubber costs will be in constant fluctuation, due to the many changes that take place in the economy, production, supply, and demand nearly every day. Because the rubber supply is dependent upon factors such as plantation growth, industrialization, economic growth or downturn, and the prices of crude oil, the only thing that can really be predicted is that the price of rubber is subject to constant change. One can only hope that they are able to obtain commercial rubber at a balanced, reasonable cost