Justin Preston goes behind the scenes of an upmarket department store's popular winter sale,...

Justin Preston tries to find an engaged couple a good deal on their honeymoon using high-street...

Entrepreneur Justin Preston helps a couple haggle over the cost of dinner and a room at a...

Entrepreneur Justin Preston helps an engaged couple save thousands of pounds on their dream...

With the aid of hidden earpieces, entrepreneur Justin Preston helps two women knock money off...

Entrepreneur Justin Preston teaches consumers how to haggle and secure good deals on big-ticket...