Sterno fire starters
Sterno & Wax Wick Fire Starters(instant heat to stay warm)
Sterno lights starts very quickly and can warm your hands in seconds - so you can move on to more important things. It also heats soup reasonably quickly to give you internal warmth and energy.
Candle wick fire starters as well as flint strike fire starters w/starter sticks. Heaters -Propane and Naptha Small Bow Saw for cutting firewood and Hand and Foot warmers for when you venture off to collect firewood. To get instant heat will prevent you from succumbing to the elements and a nourishing meal will keep you healthier.
A rechargeable spotlight (1 million candle power or more) can be used for safety. If wolves or bear approach - hit them with the spotlight - and they will never bother you again. Try to spot the alpha and shine her for 1 1/2 minutes. She will wimper and cry and the pack will leave you alone. Don't use it as a flashlight - only as a safety to signal, defend or quick spot for tree rows etc.
Use your lantern flashlights for regular lighting needs. Couple spare batteries and you will have a much more comfortable time in the dark. Naptha Lanterns are great to have as well - they radiate heat and last a few hours before needing to be refilled. Follow this advise and don't even feel the cold - even in sub-zero f.