You have been presented with many options, however, based on your schedule this task does not seem like a DIY situation. If the snow settles/ thaws/ refreezes it will be difficult to move without a burly tractor with a loader. In the short term. buy an old 2 up, 2 stroke snowmobile and stash it next to the drive partway down in a small shed or shelter. That and an ice fishing toboggan will allow you to get people and supplies up and down.
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