The Amish don't go to the supermarket weekly. They buy in bulk 2–4 times per year.
What They Buy
Flour — 25 kg sacks. Sugar — 25 kg sacks. Salt — 10 kg sacks. Rice, beans, oats — sacks. Fabric — bolts. Soap — cases. Spices — 500g jars.
Where
Amish cooperative stores (bulk stores). Wholesale warehouses. Direct from manufacturers. Several families combine orders — get wholesale prices.
Savings
Flour at supermarket: $1.50/kg. Bulk: $0.60/kg — 60% savings. Sugar: $1.20 vs $0.50. Fabric: $15/meter vs $5. For a family of 8, annual savings — $3,000–5,000.
Storage
Flour and grains — in metal containers (mouse-proof). Root cellar for cool. Fabric — in chests. Spices — glass jars. Buy in cool weather — less spoilage risk.