Buy a homeless guy some coffee
A bag of socks? Hell I don't know. I use socks every day so having a week's worth would be convenient. Ooh especially if they're all the same color. Yes, a bag of socks.
A smile of gratitude, give it away ...
a gift basket from the dollar shop with a plastic bucket, toilet bowl cleaner, glass cleaner, and a sponge or brush.
Well under $5
3-99 cent packs of papers and A beer at the quick mart