Frozen section for organic veggies.
Canned/frozen fish, watch the additives. Big Lots and Dollar stores, Prospector Liquidation and Grocery Outlet.
Boxed coconut milk from Asian and Russian markets (aroy-d is my favorite).
Whole foods has cheap beef that's at least pasture-centered if not truly grass-fed perfectly.
Trader Joe's has free-range chicken legs for something like $3.00 a pound.
Make your own tallow. Can't beat something like 20,000 healthy calories for $5.00.
Ideas abound, people will keep chiming in for you!
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.