What do you mean? They just start one, it wouldn't be hard to register an ABN, register for GST, download a MS Word invoice template to use etc... then at the end of the financial year pay your accountant 1k or so do all the tax matters etc.
This. A business degree is not required.
There are thousands of engineering firms in Australia, most of which were started by an engineer with just an engineering degree.
Tony Abbott has the quote of the day: "About the only thing Julia Gillard was successful at this year was naming an election date and now even that is uncertain."
Abbott has the line of the day:
"in 2007 you voted for Kevin and got Julia, in 2010 you voted for Julia and got Kevin, in 2013 who knows who you will get under Labor"