I need a completed listings in the search area in with hightest lowest area...

[mrdl]

It lets others know the going market for used goods. It also keeps others intrusted in my site! A craigslist downfall.... Ebay is so sucessfull becuase completed listings lets a seller know the sold for market on it's site. I want to show a seller and buyer the going market on my site... can someone give us me the code for this and a button on somewhere on my site to show when I sold something...