As for fodder, easy to procure, when the time comes, even if the nation doesn't take care of it, she could still have someone fetch it as long as she had money on hand.
But grain isn't so easy to come by, sometimes even with money, it might not be possible to buy food, since here people rely on the heavens for sustenance, and years of famine are particularly frequent.
It was precisely for this reason that An Jing thought of storing grain, to be prepared for emergencies.
But how to store it?
If she bought a lot of grain all at once to keep in storage and a war never broke out, what would she do if the grain went moldy and spoiled by the time a conflict arose?
Yet if she bought a little each year and stored it, it would be of little use if a war suddenly broke out.
