Editor's Note: You may have talked to family or friends about getting prepared. If so, chances are that at least a few of those people proudly exclaimed that they'd simply head to the hills and live off the land if the cities went up in flames. It's a great idea, until you consider that thousands of other people are going to be thinking the same thing. Moreover, "the hills," though not as densely populated as cities, are often inhabited by ex-urban and rural folk who will be entrenched, well armed, and not very willing to give up their land to hoards looking for food, water and supplies. Nonetheless, as Survival Blog contributor D.V. notes in the following article, if your plan is to hunt for your food without stockpiling anything in reserve, you may run into life-threatening shortages because those thousands of people heading out of major cities will inevitably put a strain on your resources