Grocery prices vary by $76 across eight Portland-area chains

A comparison of 20 grocery items across eight Portland-area chains revealed a significant price difference of $76. Costco offered the lowest total at approximately $80, though this requires bulk purchases and a membership. WinCo was the second cheapest at nearly $109, followed by Walmart and Amazon Fresh. New Seasons Market was the most expensive at about $156, with stores like Whole Foods and Safeway also ranking higher in price, often citing factors like product sourcing and quality for their pricing.