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I don't recall having a problem with a tarp, though it has been a while since I used one. I use the short tarp extender poles. I anchor the tarp as needed, much the same as when attaching the tarp to trees. Certainly all of the side pull outs are anchored. I don't remember even having to anchor the ends as long as I anchored all of the corners and sides snugly. It held up to some storms. But if I needed to, I'd just run a corc to ground, bush or tree as needed.
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