Living alone in wilderness is risky. Aside from serious illness and injury, equipment failure can minimally inflict discomfort, and at worst, dire need. Living carefully with thoughtful deliberation before taking action is about all I do to avoid harming or sickening myself. Redundancy is the best approach for dealing with equipment failure. Two water wells, two off-grid power systems, two of each essential appliance, etc. prevents discomfort and sustains life.
A pair of freezers provide more comfort in food supply and choices during winter while snowed in here, and through spring while influenza rages on downslope. A trip to the grocer won’t be necessary until early summer, long after snow and virus recede. And if one breaks down, the second will suffice until then too.