[Express]

so i have a 2006 armada for the winter. the paint is in pretty bad shape, and i don't know anything about preparing it for winter.

so here are my questions:

1- what do i buy?
2- what do i buy?
3- what do i buy?
4- does the "brand" of clay or lube matter?
5- should i wax? polish? seal?

i really don't know anything, and i am willing to buy an orbital like a PC 7424 but i am not sure how to use one.

please help! winter is coming and i don't know what to do/buy!!