http://www.truthinoliveoil.com/2012/09/toms-supermarket-picks-quality-oils-good-prices http://www.truthinoliveoil.com/2012/09/toms-supermarket-pick... (Tom Mue

http://www.truthinoliveoil.com/2012/09/toms-supermarket-picks-quality-oils-good-prices http://www.truthinoliveoil.com/2012/09/toms-supermarket-pick... (Tom Mueller is the source for this article and he's been at this for a while, having written an article on sneaky olive oil producers for the New Yorker in 2007.) He also has a buyer's guide on the same site and it sounds like, at his level, buying olive oil is trickier than buying wine. Not only is it dependent on harvests and growers, it is also perishable.