2 5 Gallon Water bottles (good for keeping water around during outages to wash, flush the toilet, etc.!) - $5 each
1 Folding gas grill with 2 burners and small propane tank - $30
1 SwissGear Comfort Cot 31"X82" plus I'll throw in 2 twin size foam mattress pads. Stretch a sheet over it all and it's comfortable bed for guests - $50