A Cranbourne woman snagged $1.2 million after altering her TattsLotto ticket a few moments shortly before the drawing.
A Geelong man also secured $1.2 million with a last ticket exchange.
Reportedly, recent Saturday Lotto winners in Hornsby remained at their jobs straight away.
General guidance for lottery winners suggests waiting before coming forward and seeking professional advice.
The Lott published tips on Monday from a actual division one winner on how to navigate a major prize.