I lived in both the Bay Area and Boston, two of most expensive areas in the US, a gallon of milk costs me less than $3. Trader Joe's is your friend. You can eve

I lived in both the Bay Area and Boston, two of most expensive areas in the US, a gallon of milk costs me less than $3. Trader Joe's is your friend. You can even get organic milk or non-dairy milk (soy, almond, coconut) for less than $6 a gallon.