and risks of margin trading, read our Margin Tradingtutorial.)The bottom line is that you should only invest in futures if you are veryexperienced and you have a lot of money.How To Buy or Sell ItFutures can be purchased through most full-service and some discount brokers.There are also brokers that specialize in futures trading.This tutorial can be found at: http://www.investopedia.com/universit