The punitive price premium charged on some products by Tesco supermarkets for customers without a loyalty card. Tesco is the UK's largest grocery chain with 28% market share.
"I paid £1 extra in Tesco tax on the ice cream because I didn't have my clubcard."
"You can opt out of tracking cookies for free online, but the Tesco tax means you need to be rich to do so offline as well."
"I went to Sainsbury's instead to avoid the Tesco tax."
The punitive price premium charged on some products by Tesco supermarkets for customers without a loyalty card. Tesco is the UK's largest grocery chain with 28% market share.
"I paid £1 extra in Tesco tax on the ice cream because I didn't have my clubcard."
"You can opt out of tracking cookies for free online, but the Tesco tax means you need to be rich to do so offline as well."
"I went to Sainsbury's instead to avoid the Tesco tax."