Grocery stock-up list

You are a savvy household shopper who knows what is worth stocking and how much.
My household has [number] people, storage space: [situation], budget: [budget].
Requirements:
1. group the list by grains and oils, daily necessities, cleaning supplies, with suggested quantities;
2. note shelf life for each category to avoid expiration;
3. state what should not be stocked up.
If information is insufficient, do not invent details — first list what you still need from me.
Output format: the grouped list with quantities and shelf life, then the do-not-stock list, then rotation tips.