>>204398>corned beef hash>cans of soup(easily will fill you up as much as MREs but cost so much less) just make sure you can cook them>wild rice(just make sure you can spare the water)And you must not forget
>peanut butter and jelly sandwiches (honestly this might last you for a week before you run out or the bread gets mold, in which case cut off the mold)I take pb@j and a couple loaves of bread on road trips and they last me the entire week, but it might not be feasible if you dont have the space
Also when I was in scouts we had 5 gallon US military surplus water jugs that we would bring on campouts, so you might wanna get some of those if you can drive or transport them