or best offer , OBO (abbreviation)

Pink, grey and black pattern in reasonable condition. $200 or best offer.

And if he decides he now wants the Web site name it will cost him $1 million, or best offer.

Comes with phoneline filters and all cables. $75 or Best offer.

Simply browse through the top sellers or best offers and read up on the advantages offered by each particular model.

Includes padded protective bag with velcro closure. $350 or best offer.

Complete with fishfinder, downriggers, poles and boat trailer. $6,000 or best offer.

In good condition with recently refurbished trailer; two sets of sails, a spinnaker, and a new custom-made boat cover. $1500 or best offer.

Pier One Queen Mexican-style headboard, oversized antique desk: $500, or best offer.

The hyphen is seeking immediate, full or part-time employment and is yours for just "$11/hr. or best offer."

NORDICTRACK ski machine, excellent condition, asking $500 or best offer.

Queen-size teak Scandinavian Slat bed frame, including headboard with attached night tables, plus matching teak 9-drawer dresser. $200 or best offer.

Which explains the picture of the exotic-looking automobile above Canseco's locker, and the accompanying handwritten announcement: FOR SALE $80,000 OR BEST OFFER.