Australian grocery habits were the two big chains' moat. Most households defended a 'main' supermarket and filled the rest at specialists, and ALDI-commissioned research found nearly half of Australians (45%) stuck with whichever supermarket their parents shopped at, no matter the savings they were missing. That inheritance made 'be the only place you shop' a battle ALDI would never win: a huge slice of the basket was decided by family habit, not price, and ALDI's deliberately small range could not cover everything a household needed in one go.
The standard retail response was to attack share-of-wallet head-on — fight for the entire basket with loyalty programs, collectibles, and 'switch your whole shop to us' claims. That was unwinnable for ALDI precisely because the constraint was structural: shoppers would keep splitting to a store that had fish, or a bakery, or a loyalty card, no matter how cheap ALDI was.
Quit the 'only shop' battle and asked to be the first stop, where the biggest and most price-sensitive spend happens, publicly allowing shoppers to go elsewhere.
The first trip of the week is the biggest and most price-sensitive, so it's where a discount store's strength matters most.
By publicly permitting shoppers to shop elsewhere, ALDI removed the defensive friction of inherited brand loyalty.
Making ALDI first required giving up no other store, so the offer was easy to accept.
The claim became a durable habit to build once, not a price war to re-fight weekly.
When you can't be the customer's only supplier, stop fighting that battle. Ask only to be the first, most-trusted part of the relationship, and say openly that buying the rest elsewhere is fine.
ALDI's own case reports strong ROI and a reversal of the top-up role into growth; running as a multi-year platform, it won Australia's 2024 Gold and Grand Effie and the 2025 Retail Global Grand Effie The frame became ALDI Australia's sustained 'long idea': released each new year, carried to Australia's highest effectiveness award and then to a Global Grand Effie, and now the template ALDI repeats whenever it relaunches the savings message.
FOLLOW THE EVIDENCE
The sources
- Campaign Brief — ALDI says it's okay with shoppers seeing other supermarkets in 'Shop ALDI First' work via BMF Campaign Brief · campaignbrief.com
- Campaign Brief — BMF Australia takes out the Retail Global Grand Effie for ALDI Australia's 'Shop ALDI First' Campaign Brief · campaignbrief.com
- B&T — BMF Crowned Effective Agency Of The Year, ALDI Named Advertiser Of The Year At The Australian Effies B&T · bandt.com.au