We did the same shop at these Toronto grocery stores and here’s where the cheapest products are

Yellow potatoes

These are the prices for bags of yellow potatoes at each store:

• Costco — $8.99 for a 4.54-kilogram bag
• Walmart — $4.97 for a 2.27-kilogram bag
• Metro — $5.99 for a 2.27-kilogram bag

These are the prices per kilogram:

• Costco — $1.98 per kilogram
• Walmart — $2.18 per kilogram
• Metro — $2.63 per kilogram

Tomatoes

The price of tomatoes at each store is:

• Costco — $6.99 for a three-pound pack
• Walmart — $3.97 for a one-pound pack
• Metro — $4.99 for a one-pound pack

Breaking it down by what you pay for what you get, the price is:

• Costco — $2.33 per pound
• Walmart — $3.97 per pound
• Metro — $4.99 per pound

Ozery bread

The price of Ozery Morning Rounds bread at each store is:

• Costco — $6.49 for a 900-gram bag with 12 rounds
• Walmart — $4.67 for a 450-gram bag with six rounds
• Metro — $4.69 for a 450-gram bag with six rounds

When it’s broken down, the price per 100 grams is:

• Costco — $0.72 per 100 grams
• Walmart — $1.03 per 100 grams
• Metro — $1.04 per 100 grams

Kraft peanut butter

These are the prices for Kraft peanut butter:

• Costco — $10.49 for a two-kilogram jar
• Walmart — $10.97 for a two-kilogram jar
• Metro — $14.99 for a two-kilogram jar

Tim Hortons coffee

These are the prices at each store for Tim Hortons Original Blend coffee:

• Costco — $21.99 for a 1.36-kilogram canister
• Walmart — $22.97 for a 930-gram canister
• Metro — $24.99 for a 930-gram canister

However, the price for what you actually get is:

• Costco — $1.61 per 100 grams
• Walmart — $2.46 per 100 grams
• Metro — $2.68 per 100 grams

Olive oil

The price of house-brand extra virgin olive oil at each store is:

• Costco — $34.99 for a two-litre bottle
• Walmart — $13.97 for a one-litre bottle
• Metro — $16.49 for a one-litre bottle

Breaking it down by what you pay for what you get, the price is:

• Costco — $17.49 per litre or $1.74 per 100 millilitres
• Walmart — $13.97 per litre or $1.39 per 100 millilitres
• Metro — $16.49 per litre or $1.64 per 100 millilitres

Mutti strained tomatoes

These are the prices of Mutti passata — aka strained tomatoes:

• Costco — $14.99 for a six-pack of 796-millilitre jars
• Walmart — $4.77 for a 680-millilitre jar
• Metro — $3.99 for a 680-millilitre jar

When it comes to the price per, here are the costs:

• Costco — $0.31 per 100 millilitres
• Walmart — $0.70 per 100 millilitres
• Metro — $0.58 per 100 millilitres

Rio Mare tuna

The price of Rio Mare solid light tuna in olive oil at each store is:

• Costco — $13.99 for a four-pack of 160 gram cans
• Walmart — $6.97 for a three-pack of 80 gram cans
• Metro — $6.99 for a three-pack of 80 gram cans

These are the prices broken down:

• Costco — $2.18 per 100 grams
• Walmart — $2.90 per 100 grams
• Metro — $2.91 per 100 grams

Bubly water

These are the prices for a case of Bubly water:

• Costco — $10.99 for a case with 24 cans that are 355 millilitres
• Walmart — $5.57 for a case with 12 cans that are 355 millilitres
• Metro — $7.49 for a case with 12 cans that are 355 millilitres

Then, the price breakdowns are:

• Costco — $0.45 per can or $0.12 per 100 millilitres
• Walmart — $0.46 per can or $0.13 per 100 millilitres
• Metro — $0.62 per can or $0.17 per 100 millilitres

PopTarts

The price of PopTarts at each store is:

• Costco — $12.49 for a 2.30-kilogram variety pack with 48 PopTarts
• Walmart — $3.47 for a 384-gram single pack with eight PopTarts
• Metro — $3.99 for a 384-gram single pack with eight PopTarts

But breaking it down to how much you get for how much you spend, the price is:

• Costco — $0.26 per tart and $0.54 per 100 grams
• Walmart — $0.43 per tart and $0.90 per 100 grams
• Metro — $0.49 per tart and $1.03 per 100 grams

Quaker instant oatmeal

Here are the prices for Quaker instant oatmeal variety packs:

• Costco — $16.99 for a 2.45-kilogram box with 66 packets
• Walmart — $5.97 for a 674-gram box with 18 packets
• Metro — $4.49 for a 314-gram box with eight packets

When it comes to the price per, here are the costs:

• Costco — $0.25 per packet and $0.69 per 100 grams
• Walmart — $0.33 per packet and $0.88 per 100 grams
• Metro — $0.56 per packet and $1.42 per 100 grams

Frosted Flakes cereal

These are the prices for Frosted Flakes cereal at each store:

• Costco — $9.79 for a 1.41-kilogram box
• Walmart — $4.97 for a 425-gram box
• Metro — $11.99 for a 1.06-kilogram box

Then, the price per 100 grams is:

• Costco — $0.69 per 100 grams
• Walmart — $1.16 per 100 grams
• Metro — $1.13 per 100 grams

Drumstick ice cream

The price of Drumstick ice cream packs are:

• Costco — $19.99 (regularly priced) for a 2.52-litre box with 18 cones
• Walmart — $5.47 for a 560-millilitre box with four cones
• Metro — $6.49 for a 560-millilitre box with four cones

Breaking it down by the cost for what you get, the price is:

• Costco — $0.79 per 100 millilitres
• Walmart — $0.97 per 100 millilitres
• Metro — $1.15 per 100 millilitres

Kind bars

Here are the prices for Kind bars:

• Costco — $21.99 for a 720-gram box with 18 bars
• Walmart — $18.97 for a 480-gram box with 12 bars
• Metro — $8.99 for a 720-gram box with five bars

Then, the price per 100 grams is:

• Costco — $3.05 per 100 grams
• Walmart — $3.95 per 100 grams
• Metro — $4.49 per 100 grams

Dove bar soap

These are the prices of Dove bar soap packs at each store:

• Costco — $17.99 for a 1.69-kilogram pack with 16 bars
• Walmart — $16.97 for a 1.27-kilogram pack with 12 bars
• Metro — $11.99 for a 636-gram pack with six bars

When it comes to how much you get for that cost, the price breakdown is:

• Costco — $1.06 per 100 grams
• Walmart — $1.33 per 100 grams
• Metro — $1.88 per 100 grams

Tide laundry detergent

The price for Tide original laundry detergent at each store is:

• Costco — $29.99 for a 4.82 litre bottle
• Walmart — $24.79 for a 3.9-litre bottle
• Metro — $28.99 for a 3.9-litre bottle

The price per 100 millilitres is:

• Costco — $0.62 per 100 millilitres
• Walmart — $0.63 per 100 millilitres
• Metro — $0.74 per 100 millilitres

Downy scent boosters

These are the prices for Downy scent boosters:

• Costco — $21.99 for a 963-gram bottle
• Walmart — $15.97 for a 515-gram bottle
• Metro — $17.99 for a 515-gram bottle

Breaking it down by the cost for how much you get, the price is:

• Costco — $2.28 per 100 grams
• Walmart — $3.10 per 100 grams
• Metro — $3.49 per 100 grams

Perrier bottled water

The price of Perrier bottled water is:

• Costco — $24.99 for a 24-pack of 500-millilitre bottles
• Walmart — $8.27 for a six-pack of 500-millilitre bottles
• Metro — $10.99 for a six-pack of one-litre bottles

Then, the price per 100 millilitres is:

• Costco — $0.20 per 100 millilitres
• Walmart — $0.27 per 100 millilitres
• Metro — $0.18 per 100 millilitres

TOTAL

Here is the total cost before tax of all the products at each store:

• Costco — $306.12
• Walmart — $183.68
• Metro — $196.52

Costco has the highest total price for this grocery haul and Walmart has the lowest total.

But when you look at the price breakdown on how much you get for the cost, all but one product (olive oil) is cheaper at Costco!

Also, two products are cheapest at Costco compared to the other stores even though they’re bulk-sized items — peanut butter and Tim Hortons coffee.

The cheapest products at Walmart are potatoes, tomatoes, Ozery bread, olive oil, Rio Mare tuna, Bubly, PopTarts, Frosted Flakes, Drumsticks, Tide detergent, Downy scent boosters, and Perrier.

Based on the price tag, the cheapest products at Metro are Mutti strained tomatoes, Quaker instant oatmeal, Kind bars, and Dove bar soap.