Some Swedish inventor came up with bags for composting human waste. If he does manage to sell them for 2 or 3 cents a bag, you could easily get a year's supply of these things for when things collapse.
If he does start selling them this summer, and you can buy them in the US, I will buy some.
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If ye love wealth better than liberty, the tranquility of servitude than the animated contest of freedom, go from us in peace. May your chains sit lightly upon you, and may posterity forget that you were our countrymen! - Samuel Adams