What I have:
Stapler - $2
3" black binders - $1 each
5" white binders - $1 each
Post-its - 5 for $1 (some used)
Alligator clips - Pack for $1
Manilla folders - Pack for $1
Staples - Pack for $1
Loose leaf paper - Pack for $1
Writing pads - $1 each
Cleaning out office and everything is practically new/some used