Old stock
Old stock pisses me off... I HATE going into a shop and buying something only to get it home and realise it's WAY out of date... It happens with magazines, chocolate, crisps, cereal etc etc.
If you run a shop here's a little word you might want to check out... "Rotation"
Now apply this newfangled word to your stock and make sure you get rid of stuff that doesn't sell by it's date!