The coin system (pictured) is designed to give shoppers an incentive for returning their trolleys and stop them from ending up on roads and in waterways.
'There was nowhere to leave the trolley, like in a trolley bay, to retrieve my coin, which meant I had to take the trolley all the way back to the store,' she wrote.
Aussies will need to bring a gold coin on their next Kmart shop as the retail giant introduces coin-operated trolleys to stores across Queensland.
'It'll stop all the b****y trolleys littering the streets, well done I say,' one wrote.
'Trouble was at our local store the coins often jammed or due to arthritis in my hand I had difficulty pulling the trolley out,' she wrote.
