
Aldi vs Walmart: Which Is Actually Cheaper for Groceries?
For a like-for-like, store-brand basket, Aldi is usually cheaper than Walmart, typically by 10% to 20%, with the biggest gaps on dairy and packaged goods.
Half of eating cheaply happens before you cook — at the store, in the aisles, and in the math. This section digs into where groceries are actually cheapest, what a reasonable monthly budget looks like, and the tactics that quietly shave 20% off a cart.
We compare stores honestly, show real price ranges, and skip the extreme-couponing theater. The goal is a repeatable routine that lowers your bill every single week, not a one-time stunt.


For a like-for-like, store-brand basket, Aldi is usually cheaper than Walmart, typically by 10% to 20%, with the biggest gaps on dairy and packaged goods.

For a typical U.S. grocery basket, Aldi is usually the cheapest store, with Walmart a close second.

A reasonable monthly grocery budget runs about $220–$450 for one adult and roughly $700–$1,300 for a family of four, with the low end reflecting scratch.

To save money on groceries, start with the three free habits that move the needle most: plan your meals before you shop and buy only from that list, build.