[QUOTE=lvfcrook1503;19322]1.
3. How do you prevent "runners"? Where one side of the cigar burns faster than the other?

In my experience this is usually from construction so there's not much you can do. Smoke slow and be sure to get an even light when you first spark it up.
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Jimmy's right that this can be a construction issue, but this can also be caused by improper storage. Hence the importance of your first question.