Cambridge Day had an article about grocery prices recently https://www.cambridgeday.com/2022/09/12/checking-in-on-grocery-prices-at-checkout-bargain-shoppers-will-benefit-at-three-stores/

> There is a lot of variation between individual items, but in general, if you are looking for inexpensive groceries Daily Table and Trader Joe’s are your safest bet within city limits. If you can make the trip to Market Basket in Somerville, you should consider it.