You may need to cook on a camp stove for a while. Dealers can get ideas of what products to stock by checking web sites and reading what is being recommended on-line. It also features an article claiming the military will be used as a police force and some relocation of the population is expected. It offers many articles on various aspects of the projected concern. The one on Guns and Ammo goes into detail.
Holder offers three lists.
First, the guns he'd buy if he had the money. Third are recommendations for people who are broke. And that's all that matters. Then he recommends two rifles, but he gives you a lot of choices. It costs less than the others do.