Every item you buy begins as a basic material– or commodity– that some company harvests, improves, manufactures, or assembles into its final type. There are a number of things that affect the cost of a commodity, and there numerous ways to buy products. Subscribe: To find out more about trading commodities, tune in weekly to the Getting Started with Futures webcast for livestreamed interactive sessions with TD Ameritrade education coaches: TD Ameritrade is where wise financiers get smarter. We post academic videos that bring investing and financing subjects back down to earth…