As the young cashier is counting out the money the man confuses them by discreetly slipping bills into his wallet and taking over the counting process, while also pushing more coins across the counter.
The whole exchange only took a few minutes but by the end of it all the customer walked out with an extra $50, with the cashier none the wiser.
Ashleigh Scott, one of the employees, told Nine News the man "had it all planned out".