[JBinKC]

large garbage bags (reuse the free small plastic grocery sacks)

Matches (note this item was the shortest in supply in Bosnia during the civil war)

plastic food containers i.e. cottage cheese soda pop containers (for storage or a makeshift funnel)

eggshells (free calcium supplement)

shredded documents (fireplace starter)

styrofoam ie packing peanuts, cups ( potential wall or attic insulation)