I did not capture this data myself - this was all the hard work from the folks at OzBargain - the link to the original data (which was blocked for ChatGPT access) is https://www.ozbargain.com.au/node/900888 - all credit to them for this list.
Item | Was | Discount | Now
Gippsland Dairy Mix-Ins 140g(coles.com.au) | 3.85 | -0.51 | 1.9
La Famiglia Garlic Bread Slices 270g(coles.com.au) | 6.5 | -0.38 | 4.0
Pauls Kids Yoghurt Pouch 70g(coles.com.au) | 1.2 | -0.25 | 0.9
Oak Flavoured Milk 600mL(coles.com.au) | 3.95 | -0.24 | 3.0
Ice Break Flavoured Milk 500mL(coles.com.au) | 3.95 | -0.24 | 3.0
Flora Margarine 1kg(coles.com.au) | 8.95 | -0.22 | 7.0
Dare Flavoured Milk 750mL(coles.com.au) | 5.35 | -0.21 | 4.25
Gippsland Dairy Twist Yogurt 700g(coles.com.au) | 7.9 | -0.2 | 6.3
Gippsland Dairy Twist Yogurt 160g(coles.com.au) | 3.0 | -0.2 | 2.4
Western Star Spreadable Blend 375g(coles.com.au) | 6.0 | -0.2 | 4.8
Riverina Fetta 200g(coles.com.au) | 5.3 | -0.11 | 4.7
Mainland Cheese Block 400g-500g(coles.com.au) | 11.0 | -0.11 | 9.8
Birds Eye Air Baked Southern Blue Whiting Fish Fillets 380g(coles.com.au) | 12.6 | -0.5 | 6.25
KB's Salt or Lemon & Pepper Squid 360g(coles.com.au) | 12.0 | -0.5 | 6.0
Patties Party Meat Pies 12 Pack 560g(coles.com.au) | 9.7 | -0.4 | 5.8
Cadbury Sticks 4 Pack-6 Pack 300mL-360mL(coles.com.au) | 12.0 | -0.4 | 7.2
Streets Golden Gaytime Sticks 4 Pack 400mL(coles.com.au) | 10.0 | -0.35 | 6.5
Weis Frozen Dessert Bars 4 Pack-6 Pack 264mL-280mL(coles.com.au) | 9.5 | -0.32 | 6.5
Ben & Jerry's Ice Cream Tub 427mL-465mL(coles.com.au) | 14.5 | -0.31 | 10.0
Connoisseur Ice Cream Sticks 4 Pack-6 Pack 360mL-400mL(coles.com.au) | 12.0 | -0.29 | 8.5
Dr. Oetker Ristorante Pizza 310g-390g(coles.com.au) | 9.0 | -0.28 | 6.5
Four'N Twenty Angus Beef Pies 4 Pack 700g(coles.com.au) | 12.0 | -0.26 | 8.9
Connoisseur Ice Cream Tub 1 Litre(coles.com.au) | 12.0 | -0.25 | 9.0
Four'N Twenty Party Pies 24 Pack 1.12kg(coles.com.au) | 17.0 | -0.22 | 13.2
Bulla Splits or Crunch Sticks 8 Pack-14 Pack 400mL-750mL(coles.com.au) | 9.0 | -0.22 | 7.0
Peters Drumstick Cones 4 Pack-6 Pack 475mL-490mL(coles.com.au) | 9.5 | -0.21 | 7.5
McCain Beer Batter Steak Cut Chips 750g(coles.com.au) | 5.8 | -0.21 | 4.6
Birds Eye Golden Crunch Straight Cut Chips 900g(coles.com.au) | 5.8 | -0.21 | 4.6
KB's Gyoza 750g(coles.com.au) | 18.0 | -0.2 | 14.4
On the Menu Meal Plated 320g(coles.com.au) | 7.0 | -0.2 | 5.6
Pickers Snacks 230g-350g(coles.com.au) | 7.5 | -0.2 | 6.0
Steggles Crumbed Chicken Alphabet Nuggets 2kg(coles.com.au) | 25.0 | -0.2 | 20.0
McCain Pizza Pockets 4 Pack 400g(coles.com.au) | 8.5 | -0.12 | 7.5
Liz & Betty's Pork & Fennel Sausage Rolls 12 Pack 420g(coles.com.au) | 9.9 | -0.1 | 8.9
McCain Healthy Choice Meal 280g-350g(coles.com.au) | 5.0 | -0.1 | 4.5
V Energy Drink 4x250mL(coles.com.au) | 11.75 | -0.5 | 5.87
Nescafé Coffee Sachets 8 Pack-10 Pack(coles.com.au) | 8.0 | -0.5 | 4.0
Coca-Cola, Fanta or Sprite Soft Drink 1.25 Litre(coles.com.au) | 4.0 | -0.5 | 2.0
Vittoria Freeze Dried Instant Coffee 400g(coles.com.au) | 39.0 | -0.5 | 19.5
Gatorade Sports Drink or G Active Water 600mL(coles.com.au) | 4.2 | -0.5 | 2.1
Coca-Cola, Fanta or Sprite Soft Drink or Mt Franklin Lightly Sparkling Water 10x375mL(coles.com.au) | 20.0 | -0.5 | 10.0
Vitasoy Unsweetened Almond Milk 1 Litre(coles.com.au) | 3.3 | -0.5 | 1.65
Queen Victoria Tea Bags 100 Pack(coles.com.au) | 11.0 | -0.5 | 5.5
Pepsi Max or Solo Soft Drink 24x375mL(coles.com.au) | 37.5 | -0.47 | 20.0
Frantelle Natural Spring Water 24x600mL**(coles.com.au) | 18.9 | -0.4 | 11.3
Mt Franklin Lightly Sparkling Water 1.25 Litre(coles.com.au) | 3.25 | -0.4 | 1.95
Coca-Cola Soft Drink 30x375mL(coles.com.au) | 50.0 | -0.4 | 30.0
Lavazza Qualita Oro Coffee 1kg(coles.com.au) | 48.0 | -0.4 | 28.8
Schweppes Mixers or Soft Drink 1.1 Litre(coles.com.au) | 3.0 | -0.33 | 2.0
Nescafé Blend 43 500g(coles.com.au) | 30.0 | -0.33 | 20.0
Remedy Kombucha 4x250mL(coles.com.au) | 9.5 | -0.32 | 6.5
Vittoria Mountain Grown Coffee Beans or Ground 1kg(coles.com.au) | 49.0 | -0.31 | 34.0
Moccona Freeze Dried Instant Coffee 200g(coles.com.au) | 19.5 | -0.3 | 13.6
Monster Energy Drink 500mL(coles.com.au) | 4.3 | -0.3 | 3.0
Remedy Kombucha 750mL(coles.com.au) | 7.5 | -0.3 | 5.25
H2 Coco Coconut Water 1 Litre(coles.com.au) | 4.0 | -0.25 | 3.0
Golden Circle Zero Sugar Cordial 2 Litre(coles.com.au) | 5.5 | -0.2 | 4.4
Australia's Own Barista Milk 1 Litre(coles.com.au) | 4.5 | -0.11 | 4.0
Impressed Essentials Juice 1 Litre(coles.com.au) | 4.8 | -0.1 | 4.3
Original Black Label Juice 1.5 Litre(coles.com.au) | 6.5 | -0.1 | 5.85
Arnott's Tim Tam Biscuits 165g-200g(coles.com.au) | 6.0 | -0.5 | 3.0
Farmers Union Greek Style or Kids No Added Sugar Yogurt Pouch 130g(coles.com.au) | 2.2 | -0.5 | 1.1
Poppin Microwave Popcorn 100g(coles.com.au) | 2.0 | -0.5 | 1.0
McVitie's Go Ahead! Biscuits 4 Pack 174g(coles.com.au) | 5.0 | -0.5 | 2.5
Tostitos Chips 165g-175g(coles.com.au) | 5.2 | -0.5 | 2.6
Darrell Lea Bullets or Choc Coated Twists 168g-204g(coles.com.au) | 6.0 | -0.5 | 3.0
Cadbury Biscuit Peanut Clusters 120g(coles.com.au) | 6.0 | -0.5 | 3.0
Darrell Lea Rocklea Road Speckled Eggs Gift Box 250g(coles.com.au) | 14.0 | -0.5 | 7.0
Lindt Lindor Mini Eggs Bag 390g(coles.com.au) | 32.0 | -0.5 | 16.0
Guylian Chocolate Seashells Gift Box 250g(coles.com.au) | 29.0 | -0.5 | 14.5
Ferrero Collection Gift Box 24 Pack 269g(coles.com.au) | 30.0 | -0.5 | 15.0
Ferrero Rocher Gift Box 30 Pack 375g(coles.com.au) | 30.0 | -0.5 | 15.0
Maltesers Gift Box 400g(coles.com.au) | 15.5 | -0.5 | 7.75
Darrell Lea Soft Centres 255g or Rocklea Road 290g(coles.com.au) | 16.0 | -0.5 | 8.0
Ferrero Raffaello Gift Box 26 Pack 260g(coles.com.au) | 19.0 | -0.5 | 9.5
Cadbury Roses 420g(coles.com.au) | 20.0 | -0.5 | 10.0
Cadbury Favourites 520g(coles.com.au) | 22.0 | -0.5 | 11.0
Olina's Artisan Crackers 90g-100g(coles.com.au) | 4.5 | -0.5 | 2.25
Arnott's Scotch Finger Biscuits 250g(coles.com.au) | 3.3 | -0.5 | 1.65
Arnott's Wagon Wheel Biscuits 190g(coles.com.au) | 5.5 | -0.5 | 2.75
Cadbury Dairy Milk Chocolate Easter Egg Hunt Carton 306g(coles.com.au) | 13.5 | -0.41 | 8.0
Cadbury Dairy Milk Chocolate Easter Eggs 110g-125g(coles.com.au) | 6.7 | -0.4 | 4.0
Cadbury Dairy Milk Chocolate Easter Egg Hunt Carton 187g(coles.com.au) | 10.0 | -0.4 | 6.0
Simson's Pantry Wraps or Mini Wraps 336g-528g(coles.com.au) | 5.0 | -0.4 | 3.0
Cadbury Dairy Milk Chocolate Easter Bunny 250g-270g(coles.com.au) | 12.0 | -0.33 | 8.0
Nestlé Incredible Egg 200g(coles.com.au) | 18.0 | -0.33 | 12.0
Cadbury or Europe Bites 120g-160g or Pascall Choc Bites 160g-185g(coles.com.au) | 6.0 | -0.33 | 4.0
Fibre One Bars or Snacks 100g-120g or Nature Valley Bars 252g(coles.com.au) | 6.9 | -0.32 | 4.7
Cadbury Easter Hunt Assortment 500g(coles.com.au) | 17.5 | -0.31 | 12.0
Kinder Mini Easter Eggs 210g(coles.com.au) | 11.0 | -0.3 | 7.7
The Natural Confectionery Co. 130g-230g or Sour Patch 190g(coles.com.au) | 5.0 | -0.3 | 3.5
Mars Chocolate Fun Size 132g-192g or Skittles Fun Size 180g(coles.com.au) | 6.0 | -0.3 | 4.2
Cadbury Dairy Milk Block Chocolate 150g-190g(coles.com.au) | 7.0 | -0.3 | 4.9
CC’s Corn Chips 175g(coles.com.au) | 5.0 | -0.3 | 3.5
Arnott's Jatz or Clix Crackers 225g-250g(coles.com.au) | 4.0 | -0.3 | 2.8
Arnott's Shapes Crackers 130g-190g(coles.com.au) | 4.0 | -0.3 | 2.8
Bundaberg Brewed Soft Drink 4x375mL(coles.com.au) | 7.7 | -0.25 | 5.75
Lindt Gold Bunny 100g(coles.com.au) | 10.0 | -0.25 | 7.5
Cadbury Dairy Milk Chocolate Easter Gift Box 153g-172g(coles.com.au) | 12.0 | -0.25 | 9.0
Arnott's Monte Carlo or Tina Wafer Biscuits 200g-250g(coles.com.au) | 4.0 | -0.25 | 3.0
Kewpie Mayonnaise 500g(coles.com.au) | 8.0 | -0.25 | 6.0
Jack Links Beef Jerky 50g(coles.com.au) | 5.85 | -0.23 | 4.5
Chobani Fit Protein Greek Yogurt 160g(coles.com.au) | 2.8 | -0.21 | 2.2
Nestlé Condensed Milk 395g-410g(coles.com.au) | 3.8 | -0.21 | 3.0
Perfect Italiano Grated Cheese 450g(coles.com.au) | 9.5 | -0.21 | 7.5
Mayver's Low Carb High Protein Bars 128g(coles.com.au) | 8.3 | -0.2 | 6.6
Arnott's Nice or Milk Arrowroot Biscuits 250g(coles.com.au) | 2.5 | -0.2 | 2.0
Arnott's Shapes Crackers 8 Pack 200g(coles.com.au) | 5.0 | -0.2 | 4.0
Kellogg's LCMs 12 Pack 240g-264g(coles.com.au) | 7.5 | -0.2 | 6.0
Muscle Nation Sparkling Protein Water 330mL(coles.com.au) | 5.0 | -0.2 | 4.0
Kelloggs Nutri Grain Bars 12 Pack 264g(coles.com.au) | 7.5 | -0.2 | 6.0
Marion's Kitchen Meal Kit 188g-419g(coles.com.au) | 8.5 | -0.2 | 6.8
Bega Cheese Block, Slices or Shredded 250g(coles.com.au) | 7.5 | -0.2 | 6.0
Coles Bakery Stone Baked by Laurent Mini Pane di Casa(coles.com.au) | 3.25 | -0.15 | 2.75
Vegie Delights Plant Based Sausages 300g(coles.com.au) | 7.5 | -0.13 | 6.5
Mr Chen's Asian Meal Kit 500g-605g(coles.com.au) | 8.5 | -0.12 | 7.5
Perfect Italiano Grated Cheese 250g(coles.com.au) | 6.5 | -0.11 | 5.8
Nuttelex Spread 500g(coles.com.au) | 5.2 | -0.1 | 4.7
Bega Cheese Block 500g(coles.com.au) | 10.5 | -0.1 | 9.5
Kellogg's Nutri Grain Cereal 470g(coles.com.au) | 9.0 | -0.5 | 4.5
John West Tuna Tempters 95g(coles.com.au) | 2.7 | -0.5 | 1.35
Continental Cup a Soup 2 Serves 50g-75g(coles.com.au) | 2.8 | -0.5 | 1.4
Kettle Potato Chips or Crafted Collection 150g-165g(coles.com.au) | 6.0 | -0.5 | 3.0
Mars or Nestlé Bar 30g-56g or Violet Crumble Bar 50g(coles.com.au) | 2.5 | -0.5 | 1.25
Toblerone 360g(coles.com.au) | 18.0 | -0.5 | 9.0
Continental Pasta & Sauce 85g-105g(coles.com.au) | 3.0 | -0.5 | 1.5
Vege Chips Deli Crisps 100g(coles.com.au) | 6.5 | -0.5 | 3.25
Uncle Tobys Oats Quick Sachets 320g-350g(coles.com.au) | 6.3 | -0.5 | 3.15
Uncle Tobys Rolled Oats 1kg(coles.com.au) | 6.5 | -0.5 | 3.25
Kellogg's Sultana Bran 700g or Coco Pops Chex 500g(coles.com.au) | 9.5 | -0.5 | 4.75
Campbell's Real Stock 1 Litre(coles.com.au) | 4.5 | -0.5 | 2.25
Dolmio Extra Pasta Sauce 490g-500g(coles.com.au) | 4.6 | -0.5 | 2.3
Good Earth Extra Virgin Canola Oil 4 Litre(coles.com.au) | 38.0 | -0.5 | 19.0
MasterFoods Squeeze Tomato or Barbecue Sauce 475mL-500mL(coles.com.au) | 4.2 | -0.4 | 2.5
Nestlé Baking Chocolate Bits or Melts 180g-290g(coles.com.au) | 6.0 | -0.4 | 3.6
Jordans Granola or Oat Clusters 500g-750g or Dorset Granola or Muesli 450g(coles.com.au) | 9.0 | -0.4 | 5.4
Moro Olive Oil 1 Litre(coles.com.au) | 27.0 | -0.33 | 18.0
Green's Traditional Baking Mix 380g-470g(coles.com.au) | 3.8 | -0.32 | 2.6
Mayver's Smooth or Crunchy Natural Peanut Butter 375g(coles.com.au) | 5.8 | -0.31 | 4.0
Bega Smooth or Crunchy Peanut Butter 470g(coles.com.au) | 6.9 | -0.3 | 4.8
Lindt Excellence or Lindor Block Chocolate 80g-100g(coles.com.au) | 8.5 | -0.3 | 5.95
Uncle Tobys Muesli Bars 145g-185g or Le Snak 132g(coles.com.au) | 5.5 | -0.27 | 4.0
Sanitarium Weet-Bix Blends Multi-Grain 575g(coles.com.au) | 6.0 | -0.25 | 4.5
Sirena Tuna 185g(coles.com.au) | 4.7 | -0.21 | 3.7
Nestlé Milo Cereal 535g-620g(coles.com.au) | 9.5 | -0.21 | 7.5
Heinz Baked Beanz or Spaghetti 535g-555g(coles.com.au) | 3.8 | -0.21 | 3.0
Barilla Blue Box Pasta 500g(coles.com.au) | 3.5 | -0.2 | 2.8
King Oscar Sardines 4 Pack(coles.com.au) | 7.0 | -0.1 | 6.3
Cobram Estate Infused Extra Virgin Olive Oil 250mL(coles.com.au) | 11.0 | -0.09 | 10.0
Lindt Lindor Gift Box 232g-235g(coles.com.au) | 28.0 | -0.5 | 14.0
Golden Crumpet Rounds 6 Pack 300g(coles.com.au) | 4.6 | -0.5 | 2.3
Mr Kipling Cakes 155g-165g(coles.com.au) | 6.0 | -0.42 | 3.5
Coles Bakery Danish 2 Pack(coles.com.au) | 3.5 | -0.14 | 3.0
Coles Finest by Laurent Sourdough Vienna or Cob(coles.com.au) | 7.0 | -0.07 | 6.5
Coles Australian Pork Leg Roast Boneless(coles.com.au) | 12.0 | -0.33 | 8.0
Coles Australian No Added Hormones Beef Rump Steak 2 Pack 500g(coles.com.au) | 15.0 | -0.27 | 11.0
Coles Australian Lamb Whole or Half Leg Roast(coles.com.au) | 15.0 | -0.27 | 11.0
Coles RSPCA Approved Chicken Whole Boneless Herb & Garlic 1kg(coles.com.au) | 13.0 | -0.23 | 10.0
Coles RSPCA Approved Chicken Honey Soy Kebabs 750g(coles.com.au) | 11.5 | -0.13 | 10.0
Coles Australian Lamb Shanks 2 Pack(coles.com.au) | 12.5 | -0.12 | 11.0
Coles Hot Smoked Salmon Natural 150g(coles.com.au) | 8.5 | -0.12 | 7.5
Coles Australian No Added Hormones GRAZE Grass Fed Beef New York Strip Steak 380g(coles.com.au) | 18.0 | -0.11 | 16.0
Coles Made Easy Slow Cooked Pork Shoulder 480g(coles.com.au) | 12.0 | -0.08 | 11.0
Tasmanian Heritage Triple Cream Brie 125g(coles.com.au) | 7.5 | -0.33 | 5.0
Hans Twiggy Sticks 500g(coles.com.au) | 16.0 | -0.31 | 11.0
Mersey Valley Cheese 180g(coles.com.au) | 8.65 | -0.28 | 6.2
Coles Australian Fresh Barramundi Portions Skin On(coles.com.au) | 36.0 | -0.22 | 28.0
Bertocchi Mortadella(coles.com.au) | 16.5 | -0.21 | 13.0
Bertocchi Long or Short Cut Bacon 400g(coles.com.au) | 12.0 | -0.21 | 9.5
Coles Semi Dried Tomatoes with Fresh Basil(coles.com.au) | 28.0 | -0.2 | 22.4
Bertocchi Triple Smoked Leg Ham(coles.com.au) | 37.5 | -0.2 | 30.0
Bertocchi Soppressa(coles.com.au) | 42.0 | -0.19 | 34.0
Karumba Australian MSC Certified Thawed Raw Banana Prawns(coles.com.au) | 20.0 | -0.15 | 17.0
Primo Rindless Short Cut Bacon(coles.com.au) | 21.0 | -0.12 | 18.5
Coles Finest Aged Red Leicester or Vintage British Cheddar 200g(coles.com.au) | 4.9 | -0.1 | 4.4
Coles Thawed Barramundi Fillets(coles.com.au) | 20.0 | -0.1 | 18.0
Riverview Farms Australian Hot Roast Pork(coles.com.au) | 21.0 | -0.05 | 20.0
Coles Natural, Smoked or Dry Roasted Almonds 400g Pack(coles.com.au) | 9.0 | -0.22 | 7.0