IMO if the company was serious about doing things professionally then surely they could organise travel for those where spare seating was available, offer some kind of accommodation assistance rather than just expecting people for have the savings to pay for this kind of an event.
Your Kidding right? This is Jetstar they will make money out of everything including applicants! Either way the applicants are going to be spending so much dosh that they don't have to care! In fact they will be making money out of this scheme thats what is so stuffed about it!