Guides

Grocery price guides

Short, plain guides to reading grocery prices, each built on something Cartworth measured rather than guessed.

Price your Thanksgiving dinner before you shop

How to price a whole Thanksgiving list at the stores near you: add sizes, read the turkey deal’s conditions, avoid unit-price traps, and judge a second stop.

Are Instacart prices higher than in store?

Same product, same store, same week: Instacart ran a median 13.3% above the shelf price, up to 20%. Some stores match the shelf to the cent. Our measurements.

How to compare grocery prices by unit price

Unit price is the only fair way to compare package sizes. How to work it out, and six real label traps that make a grocery price look far cheaper than it is.