For Sale: One magic wand, one previous owner. Only works on pumpkins. Reason for sale: owner hates pumpkins.
Wanted: A magic wand that works on anything.
For Sale: One glass slipper for a lady with tiny feet. Reason for sale: no longer required by original owner. Sadly other slipper was broken. Price very heavily discounted.
Wanted: Slippers that are actually nice to wear on the feet.
For Sale: Broken furniture, possible to fix. Needs a good carpenter. Reason for Sale: Daddy Bear is NOT a good carpenter. Mummy Bear is insisting on buying in replacement.
Wanted: A foolproof way of stopping Goldilocks from breaking and entering any more houses.