I took the same grocery list to Walmart, Kroger, and Amazon to compare prices. After filling my carts, I found a winner.

I brought the same shopping list to Walmart, Kroger, and Amazon to see which has the best grocery prices, especially amid Walmart's rollbacks. I brought the same shopping list to Walmart, Kroger, and Amazon to see which has the best grocery prices, especially amid Walmart's rollbacks. Read the full story on Business Insider via the link below.