Possibly a JetGo kind of operation, small number but high volume on a baby-braer ?
If there is enough business travel demand, it sure beats the BS at the majors.
I have to go to Melbourne twice in about a months time, oddly enough the destination is out near Moorabbin, so door to door is 5 hours by RPT. Fly myself even at piston single speeds, is around 5.5-6 door to door. I will most likely do one trip RPT and one GA. Besides the obvious, the main attraction is avoiding BNE&MEL. The cost has nothing to do with it, and two up its equal or less.
A well researched and marketed plan could just work.