If you haven’t already voted, and you’re not sure about the multitude of people on the ballot in your electorate, you can check them out via the ABC site https://www.abc.net.au/news/elections/federal/2019/guide/electorates
How to vote cards handed out by the folks outside the polling place are really just lists in order of preference deals made, it’s taking YOUR power away.
Read up on the people in your electorate and make a more informed choice… given that the Liberals are mostly putting Palmer United Party second on most of their how to vote cards then you know something’s pretty messed up.