Depend on what size car
You can rent a car in Australia for rental cars or AVIS, these are cheap reliable car rental places. Also if you find another place that will let you rent the cars cheaper then rental cars will beat the price.
Go to Hertz's website or to any online travel site. There, you can find multiple car rental services in Australia and pick the best car to fit your budget.
You can find car rental on expedia.co.uk which can give you car rental in any country you are going to for a vacation. Fill in the form of where you want to go, at what date and it will always give you a discount on the car rental.
The best car rental place in Sydney, Australia is the Argus Car Hire. The company is well known for its quick and hassle free service, best car at the very best price.
Buying rental car insurance from a rental car company with vary from company to company, expect about $15-$25/day.
Yes, you can arrange for a rental car to be ready in Chicago even before you leave from your place in Australia. Most all companies allow you to reserve a car for an advanced date.
One can find a Hertz Rental Car in Australia at Hertz-Rent-a-Car. One can also hire at Vroom Vroom Vroom, Drive Now, Triple A, The AA and many more. Qantas and Expedia can also help finding a Hertz rental car.
A solar car cost about $20,000 in Australia but they are not on the market in Australia yet.
It can cost as cheap as $9 to $25. It depends where you go to rent out a car. I would ask the rental dealer first. It shouldn't be too expensive. If it's too much look at other car rental dealers.
There a number of car rental agencies at LAX airport including Avis, Enterprise and Budget. Rates will vary with the type of car chosen and the length of the rental. One day car rentals cost between $45 and $75 per day.
You are fully responsible for any loss or damage to a rental car. If you do not have insurance to cover this or have not purchased insurance from the car rental company, they will go after you for the full cost of the rental vehicle.