Well for me winter is here full force... I don't do much at all, have a block heater and a antifreeze heater and 0w-40 oil, the battery used to give me issues as it was getting very old but I just replaced it, with 4X4 I don't have the need for chains, I have some but I don't put them on, it would help but I don't feel the need... I put winter purchases diesel in and I never have problem with that... what else, I keep it in the barn but its more to have power near by but it's nice for it to stay snow free...
My only winter snow removal trick is to keep the snow bank away from the dominant wind so for me is the West so the my snow banks are on the east.