Your European or American resume won't work here. Australian employers have a very specific way of looking at CVs. If you don't adapt, you won't get called.
No. "Wild camping" is strictly regulated. To avoid heavy fines (up to $500), use apps like WikiCamps to find designated free or paid campsites.
02
The Rego is the vehicle registration. Rules change depending on the State (NSW, QLD, WA...). Always check if the Rego is included when buying a van, as it can be expensive to renew.