Kate Malster was paying for her groceries when she saw a woman with a full trolley running full speed towards the exit of the Greenlane Countdown.
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Whether it's in a salad, on the barbie, or mixed up as the base to a sauce, tomatoes are a staple in so many of our meals.
But the price is leaving a sour taste in plenty of people's mouths, nearly doubling to more than $7 per kg.
With that price at the checkout, lots of people are turning to grow your own, but now even the plants are hard to come by.
Our reporter Louise Ternouth and camera operator Marika Khabazi went to have a look at what's driving up the price.