Supermarket shopping list: tick what to buy after you check live prices

A supermarket shopping list is not finished until prices are checked

You already know the paper habit: milk, bread, the brands you always buy. The gap is not remembering the ticks. The gap is whether those ticks still match today's prices, specials and unit prices before you walk the aisle.

We make Discount Trolley, so the bias is obvious. Search current prices, read the unit price, check Today's deals and keep your list, then compare stores live, scan barcodes, check price history and let Smart Swap suggest a cheaper comparable pack. Woolworths, Coles, ALDI, IGA, Harris Farm, Priceline and Chemist Warehouse where data is available. Not affiliated with those stores. The shelf can differ from the screen. Live prices need a connection.

Discount Trolley does not invent aisle badges that magically sort every supermarket layout, and it does not invent an offline catalogue. Live prices need a connection. The honest habit is simple: check prices while you have signal, then use the list ticks in the aisle. For a shopping list framed as an Australian app job, read shopping list app Australia that checks prices. For catalogues versus a live list, read supermarket price comparison Australia.

• A supermarket shopping list still needs a live price check.
• Build the list, check Today's deals and read unit prices before you leave.
• Live prices and cross-store checks need a connection.

Build one supermarket shopping list with the brands you actually buy

Start with the brands and sizes you already buy, before you leave home or while you still have signal in the car park. On one My List screen in mid September 2026, Discount Trolley showed a $15.25 total and a $57.00 savings badge with Woolworths (1), Coles (2) and ALDI (0). The Woolworths line was a Minions Fleece Throw Rug at $6.25 marked Unavailable and Out of stock. The visible Coles line was Beach Road Naturals Paw Paw Extract at $1.00 was $10.00. That is the prep a supermarket shopping list should finish before you walk: you already know which lines landed, which store pills show counts, and which line is Unavailable.

When you get to the aisle, those ticks still tell you what to pick up. They do not replace a live price check you skipped at home. A list that remembers the trip beats a blank notes app that never saw today's prices.

• One list with the staples you actually buy.
• Store pills show where lines landed before you leave.
• Unavailable lines fail the trip before you waste the aisle.

Check specials and unit prices before the ticks win the week

On Today's Best Deals in mid September 2026, Discount Trolley showed two Coles lines with loud badges: Beach Road Naturals Paw Paw Extract at $1.00 was $10.00 with a 90% OFF badge, and Oral B Pro100 Cross Action Electric Toothbrush at $8.00 was $56.00 with an 86% OFF badge. Those are real specials from that screen. They are not proof Coles won your whole shop, and they are not a reason to skip unit price on the lines you actually repurchase.

Unit price decides whether a half-price badge is actually cheap. On a Pantene Pro-V Smooth & Sleek Shampoo for Frizzy Hair 375mL product page, Discount Trolley showed Woolworths at $10.00 and unit price $2.67 per 100mL. Read it while you have bars, then tick the bottle size you actually want.

When you need a live store check on the same product, open Compare Stores. On one Oral B Pro100 product page, the Coles special looked unbeatable, but Compare Stores said not available at ALDI or Priceline. Check that while you still have signal, so the tick on your list is one you can trust in the aisle.

• Today's deals shows the loud specials before you leave home.
• Unit prices on the product page, so a bigger pack cannot hide a worse deal.
• Compare Stores when availability across chains is the question.

When to go deeper on a supermarket shopping list

Today's deals, search, product pages, unit prices and one list cover most weekly shops. When the choice is close, compare the same product live across stores, scan a barcode, check price history or let Smart Swap suggest a cheaper comparable pack.

None of that invents aisle badges for every store layout. Live compare, price history and Smart Swap still need a connection. The win is finishing those checks while you have signal, then walking with a supermarket shopping list you already trust.

For a habit on cents per 100ml, read how to use unit prices to find the cheapest groceries. For spotting theatrical specials, read how to spot a fake supermarket special. For a weekly routine, see how to use Discount Trolley before your weekly shop. For comparing one list across stores, read compare grocery prices Australia.

1. Start with Today's deals, ordinary unit prices and one list.
2. Then open live Compare Stores, scanning, price history or Smart Swap when the choice is close.
3. Confirm on the shelf. No app should promise the screen always matches the ticket.

What Discount Trolley does (and does not) claim

Discount Trolley helps you check available grocery price information for your own supermarket shopping list. It does not guarantee savings, prove a forever cheapest chain, invent aisle badges for every layout, or ship a full offline supermarket catalogue. Live prices need a connection. The shelf can differ from the screen. Re-check in store before you buy.

We are not affiliated with Woolworths, Coles, ALDI, Priceline, Amazon or Apple. Priceline prices are the catalogue prices Priceline publishes online, and franchise shelf prices can differ.

When store totals disagree, decide with trip cost. For a watchlist habit on staples you repurchase, read how to track grocery prices. For a price-history habit when tags look theatrical, see the price gouging law grocery price check guide.

• No invented aisle badges.
• No forever cheapest crown.
• No affiliation with the supermarket chains.

Questions shoppers still ask