Having done two East bound I can tell you it is not worth the effort.
All is fine until you hit Egyptian Airspace until you arrive in Broome or Darwin.
The Middle East and Asia all have one thing in common. They all believe in corruption and you are fair game.
Expect a handling fee of $US1000 per landing, then pay thru the nose for fuel, then parking charges then landing charges etc etc. All have nothing on Bankstown Airport charging just multiply by 10.
This why you get a pro to do it, they know the route to take to keep these costs at a minimum. Like I said earlier pay someone to do it and go along for the ride!