What do I need to buy

Learn learn learn

Learn how to build shelter, how to find and be willing to eat the unexpected. Like eating rats, skunks, foxes, and other small animals.

Learn how to determine what plants are safe to eat. Like learn to dry food in the summer for winter food

Buy books and more books

You could buy a tent, but that limits you, unless you buy a real heavy canvas tent that can handle the weight of snow and handle the heat of wood stove.

This is why its better to build a shelter

But you could buy a motorhome, thats another idea. Its keep you portable and drive from one truck stop to another

I did survivalist training and lived in the wild. What your thinking about doing is not going to be easy. You'll be putting your life at risk

Best thing is education and practice. Start out small and work your way up

A good heater and stove. Water purifyng system. Good tent and sleeping bag. And food!

An electric blanket

YOU need a Bear tent, with a wood stove, i know a guy on the Ewe toob who films his time camping in cold weather, and i love his videos

Learn every thing you can about your area. Are you doing it solo or with some one?

I would say I good pair of waterproof insulated boots and if in the witer then maybe snowpants and a jacket along with gloves and hats