You ain't the only one stuck out in the middle of nowhere. Try to think of the natural environment as a natural food source. You can hunt,fish, and use this if you can buy the purifier mentioned below to purify any water in the wild.
Buy seeds, growing them is pretty easy, I suggest getting beans, tomatoes, bell peppers, purple hull peas, lima beans, rice, ramen noodles along with broccoli, and cheese. You can combine the ramen with the broccoli, and the cheese and broccoli, and rice together. Buy a lot of cheap lighters to start a fire with to cook. Buy a book about wild edible plants which are high in nutrition.
Get a shotgun if you already don't have one, get a hunting knife, thankfully I have a sword whoopee.
Get this water purifier on amazon:
Sawyer Products Mini Water Filtration System.
I couldn't even get any silver due to being well, disadvantaged...
You need to get your ass moving on your end too. I plan to as soon as possible.