At which point you should move on with the story by doing The Vet Clinic. Keep this up until you get a Journal entry about Ed. Make sure to keep swapping between characters when one gets Tired or Hurt, this also helps to keep Morale in check (make a habit of this I won’t mention it twice). Houses also have Resources of random types and guns. Also search the Gunshop for guns and ammo (and maybe Grenades). Search Storage and the two Construction Sites for Building Materials.
When you have the Building Materials for it upgrade your Workshop and Infirmary, and build a Physical Training Area. Here are the basics that will make everything less complicated for you. State of Decay is a free-roam survival game that pits your zombie apocalypse survival skills to the test. The placement of the Supply Locker will otherwise block access. Before you establish an Outpost inside a Fast Food Restaurant, make sure you clear any supplies in the “container” behind the counter first. Then there are the Supply Lockers where you can unload/restock your Inventory.