harvest screws, nails, paneling, and drywall from interior walls
ceiling tiles
inflate those vacuum storage bags
newspaper
wallpaper
furniture cushions
pillows
dog or cat bed
stacked paper goods, towels, TP, boxes of tissue
contact shelf paper
bulletin and white boards
wall hangings
pictures / photos in frames
glue
expanding foam insulation
Newspaper is a great idea! And most people have that on hand too.