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While shopping in Aldi the mum was so impressed by a fellow shopper's trick that she decided to take a photo of it and share it on social media.
Writing on an Aldi Facebook group, the woman explained how the shopper had stored her plastic bags inside the tissue box, allowing her to pull one out at a time, like tissues.
The woman wrote: "As I pushed my buggy to the bagging counter, I see the woman next to me pull her plastic grocery sacks out of a Kleenex box.
"I asked her to see the Kleenex box and then laughed right out loud telling her just how brilliant she is.
"She probably thought I was a bit nuts because I wanted a picture of it … But I just had to share.
"She says she keeps this little Kleenex box in the car and always has little grocery sacks handy. Just plain stinkin’ smart."
And it wasn't just the mum who was impressed with the hack, as the post quickly went viral with others hailing it 'genius.'
One wrote: "This is exactly what I call one of the 'Why didn't I think of that?' moments that I have daily! Brilliant."
Another commented: "I keep a box under all of my sinks, my garage and laundry room but I never thought of one in my car for Aldi stops. Great idea."
A third penned: "She’s a genius! I’m stealing that idea to keep in my car."