At Walmart, a gallon of whole milk comes in at just under $3, while a half gallon costs just under $2. Milk at Target and Aldi is priced similarly. It might just be saving you a dollar or so on a ...

Milk at Whole Food's was noticeably pricier. If you went through a half-gallon of milk a week, you'd be saving about $90 a year if you shopped at Trader Joe's. Note that the Whole Foods milk is ...