you say your in roselands? i assume you mean sydney roselands near kingsgrove correct?
If thats correct go for a trip to mascot as there is lots of cheaper car rentals there as well as motor homes etc.
Goodluck.
Maybe bio would be a better option? you said earlier that you have WVO. PM me and i'm sure we can barter some WVO for bio ready to go for your trip.
Cheers

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Cheers
Nick.

Roidio 2001 Holden Rodeo 4x4 2.8L TD. 2.5" Straight through exhaust sytem, heat exchanger shower system. 2" Body Lift,
And lots of fruit, B100 for 25,000 no problems.

Elsa 1983 Mercedes-Benz W123 300D. The Fastest Merc in Oz, Loving B100 Burgers