Estimated reading time: 6 minutesPeople have been making variations of the “hobo heater” since before the Great Depression. The idea is to use a few inexpensive materials to make a small space heater that is simple, cheap, and reliable. Something dense that holds and radiates warmth, and actually works when you need it to.For a prepper on a budget, this is ideal for winter preparedness. It could help you stay warm during a power outage, or it could heat up a small amount of food or water. And if you’re stuck somewhere due to car trouble or some other crisis,…

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