A comparison of grocery prices was conducted across multiple stores, with one outlet finding that a specific dollar store was the cheapest. However, the stores included in the comparison vary, with some reports mentioning dollar stores like Dollar Tree, Dollar General, and Family Dollar, while others include larger retailers like Walmart, Kroger, and Amazon. The results of the price comparison are unclear, with some outlets suggesting that dollar stores may offer cheaper options, while others advise caution when shopping at these stores.