Yep, and in my case since I buy groceries on Amazon and don't purchase foods that don't fit my macros, I'd have an even harder time. e.g. I couldn't tell you of

Yep, and in my case since I buy groceries on Amazon and don't purchase foods that don't fit my macros, I'd have an even harder time. e.g. I couldn't tell you offhand with certainty how much bread or any particular brand of cereal costs.