Self-made millionaire Mark Tilbury has shared the results of his supermarket price comparison experiment in which he bought the same items from Tesco, Home Bargains and a BP petrol station to find out which offers the best value for money
A self-made millionaire has revealed the results of a shopping experiment where he bought items from Tesco, Home Bargains and a BP petrol station to find out which offers the best value for money. Mark Tilbury purchased the same four items from all three retailers to settle the debate once and for all.
The entrepreneur picked up a sandwich, a 500ml bottle of Coca Cola, a large bar of Cadbury Dairy Milk chocolate and a packet of hay fever relief tablets from each outlet before heading to TikTok to share his verdict. His first stop was the petrol station, which housed a Wild Bean Cafe and an M&S Simply Food store inside.
“This totalled £12.40,” Mark revealed as he returned to his vehicle. “Ouch.”
He then made his way to a Tesco Extra superstore. “This is most people’s go-to – the supermarket,” Mark continued. There, the very same four items set him back £7.40.
“That was nearly half of the price of the petrol station and I got a free packet of [McCoy’s Thai Sweet Chicken] crisps,” he enthused.
Mark wrapped up his experiment with a visit to Home Bargains. “I then went to this discount store where everything is supposed to be cheap,” he said.
But did it deliver? “As I was grabbing the items, I realised that it’s actually quite expensive,” Mark claimed. His shop came to £7.25 – just 15p less than his Tesco total.
“So the cheapest was the discount store, but they didn’t give me a free packet of crisps,” he concluded.
The results prompted one TikTok user to declare: “The way we all just trust the most expensive store to be the best quality is a scam.”
Another viewer agreed, saying: “This is a great breakdown of how ‘cheap’ branding can be deceptive. Showing the actual math behind the supermarket versus the discount store helps people shop smarter.”
Though a third observer noted: “The antihistamine he brought at the bargain store [Home Bargains] was fexofenadine rather than loratadine/cetirizine, which is always more expensive anyway even when generically branded.”
In an earlier video, Mark disclosed he left school at 16 without any qualifications or money. “No-one believed in me – especially my teachers,” he said.
And in his first role manufacturing wooden bins, he alleged he was “bullied” and earned less than £2.50 hourly. “I decided to quit and start my own business – it was a big risk,” Mark explained.
“30 years later I run two multi-million pound companies and I have grossed over £50 million. I have a dream house, but most importantly I have the freedom to spend time with my family.”

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