Feed the whole family for less
Big carts clear every free-delivery threshold, so the real question is fees and range. Walmart+ charges no service fee and goes free over $35 — here's when Aldi or Amazon Fresh beats it.
The verdict
our honest pickWinner: Walmart+
For most families buying a big weekly basket, Walmart+ is the pick: no percentage service fee, free delivery once you clear $35 (a family cart always does), and the broadest range for a one-stop stock-up. Aldi via Instacart models about 12% cheaper on items and wins if its ~1,500-item range covers your list; Amazon Fresh only makes sense if you already pay for Prime and order past $100. And if you drive past the store anyway, free curbside pickup beats every delivery option on fees.
The picks, ranked
- 1Walmart+Best for most families
No percentage service fee means your cost doesn't balloon as the cart grows — a $150 haul pays $0 service versus Instacart's 5%. Delivery is free over $35 (every family basket clears it) on the $98/yr membership, and Walmart's huge range makes it a true one-stop stock-up. It's our cheapest broadly available baseline, modeled at $51.29 on the 12-item test.
- 2Aldi (delivery)Lowest item prices
Aldi models about 12% below Walmart on our 12-item basket — $45.30 versus $51.29 on items — the value leader. The catch: it rides Instacart, so a 5% service fee, $5.99 delivery, and a 10% tip stack on every order, and its roughly 1,500-item range may not fully cover a varied family list without a second stop.
- 3Amazon FreshIf you already have Prime
Big family carts clear Fresh's $100 free-delivery line easily, and checkout has no tip and no service fee — clean and predictable, modeled near $58.87 on the same basket. But items run about 15% above Walmart, and you must hold Amazon Prime ($139/yr). It only pencils out if Prime is already in your budget for shipping or video.
Why basket size flips the usual math
For a single-person top-up, delivery fees dominate the decision. A family stock-up is the opposite: a $120–$180 cart clears every free-delivery threshold — Walmart's $35, Amazon Fresh's $100 — so those fees mostly vanish. What's left are the costs that scale with cart size. Instacart's 5% service fee and 10% suggested tip both grow with a bigger basket, while Walmart+ charges no service fee at all. On a $150 order that's roughly $7.50 of Instacart service fee versus $0 at Walmart — a gap that quietly narrows Aldi's modeled item-price lead.
Cheapest items vs one-stop breadth
Aldi genuinely wins on shelf price — about 12% under Walmart on our modeled basket. But Aldi stocks only around 1,500 items, so a family's varied list — specific brands, specialty diets, that one cereal your kid will actually eat — often forces a second store or a swap. Walmart carries a far deeper catalog, so one cart covers the whole week. For families the value question isn't only price per item; it's whether a single order finishes the list. If Aldi's range fits your household, the savings are real; if not, Walmart's breadth is worth the few dollars.
How to decide (and don't forget pickup)
Start with range: if Aldi carries what your family actually eats and you'll clear $35, its modeled ~12% savings make it the cheapest cart. If your list needs breadth or specific brands, Walmart+ is the pragmatic one-stop — no service fee, free delivery over $35. Already paying for Prime and buying $100+ at once? Amazon Fresh's no-tip checkout is fine. And the honest footnote: free curbside pickup skips delivery fees entirely, so if you're driving past the store anyway, pickup beats every delivery option on cost. Run your real basket through our tool before you commit.
Frequently asked
What's the cheapest grocery delivery for a family?
On a modeled basket, Aldi via Instacart is lowest on items — about 12% under Walmart, $45.30 vs $51.29 on items — but its per-order Instacart fees and roughly 1,500-item range can force a second store. For a one-stop family stock-up, Walmart+ is the cheapest broadly available option: no service fee and free delivery over $35.
Is Walmart+ worth it for a family?
Likely yes if you order at least monthly. At $98/yr against a $7.95 delivery fee it breaks even in about 13 orders, and family baskets always clear the $35 free-delivery floor. With no percentage service fee, your cost doesn't grow as the cart does — an advantage that widens on big weekly hauls.
Does Amazon Fresh make sense for big family orders?
Only if you already pay for Amazon Prime ($139/yr). Big carts clear Fresh's $100 free-delivery threshold and checkout has no tip or service fee, but items model about 15% above Walmart. If groceries are your only reason to hold Prime, Walmart+ ($98/yr, free over $35) is the cheaper gateway.
Is delivery cheaper than pickup for a family?
No. Curbside pickup avoids the delivery fee entirely and is often free, so if you're already driving near the store it's the cheapest way to get a big basket home. Delivery buys convenience — worth it on a hectic week, but not a money-saver over pickup.
Should a family use Aldi or Walmart for delivery?
Aldi if its roughly 1,500-item range covers your list and you want the lowest modeled shelf price (~12% under Walmart). Walmart if you need one cart to finish a varied week, with no service fee and free delivery over $35. Many families split it: Aldi for staples, Walmart for everything else.
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