● Living animals or plants
● Cash, bonds, and stock certificates (look into a safe deposit box instead)
● Deeds and titles
● Food, beverages, and other household perishables like cleaning supplies
● Combustible, flammable, or hazardous substances
● Firearms, explosives, weapons, or ammunition
● Items that are wet, emit fumes, or have a strong odor
● Tires
● Illegal substances or goods