For a wilderness survival kit, I think much more than a few quarters and maybe a couple fives is over kill. If I have to hike out to a road, and get picked up thumbing, I want pay for some gas, but I'm just odd like that.
For a BOB, money is critical. Simply put, any one planning on running off and playing Daniel Boone/Davy Crockett/Robinson Crusoe in the unmapped wilds is deluding themselves. (Which is very different from living La Vida Amish.) There aren't too many place in CONUS were you aren't within 10 miles of settled areas that aren't desert, and even then odds are probably better than even you'll find a road by walking five miles in any one direction.
You will need money. Access to accounts in another town, stocks and bonds, credit cards, those might not be worth much. But cash will be excepted, even if prices are inflated, in anything but the very worst case senarios. Even if you end up in a tent city, it is better than being homeless. And if you want anything more than handouts, you'll need to pay for it, one way or another. Life is too short and hands will be to available for grunt labor to be traded for very much, unless you can demonstrate in about two minutes that you are worth more than that, and goats and chickens just aren't that easy to include in BOB. <img src="/images/graemlins/smile.gif" alt="" />
Besides, most bug outs are only for the short term. It is like a business trip gone haywire. "A dollar per mile, in cash and coin" was a peice of advice given to me a very long time ago, and it's never failed me, even when my first car blew the fuel pump two hundred miles from home on what should have been a long day trip. Got towed, new parts put in, spent the night in a cheap hotel with the contents of the bag I keep in my car. It wasn't exciting, just annoying. With proper planning that is all any emergency should be.
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-IronRaven
When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.