The greatest thing would be to simply leave and never come back. One of the most awful things I can imagine is an airplane accident. Even though you may have all sorts of hesitations in the beginning, you'll adjust so rapidly that you'll neglect them soon.
There are a few indications that property is near such as birds and cloud structures. Do not neglect the comparative safety and security of civilization. The great benefit of cold weather is the fact that there are fewer predators, and you have the advantage.
Be sure to get enough gear for each member of the household to ensure that nobody starves. You will still be able to get the latest information on shortwave radio. Sometimes I believe that individuals wish for horrible things to occur since they think it'll be interesting.