I recommend the following Facebook groups, websites and associated services to you:

Motorhomes Australia:
This group is about uniting all Motorhome owners.
Their cover image varies regularly so follow the link
https://Motorhomes Australia
They also have an associated house sitting group and website

Gas Bottle Refills- Cheapest in Australia?
This group will offer significant saving utilising their vast database of gas refill prices, located in towns and villages all over the country, allowing you to find the cheapest
There is also an associated website with this group