Choice report on reverse mortgages http://www.choice.com.au/viewArticle.aspx?id=104312&catId=100296&tid=100008&p=1&title=Test%3a+Reverse+mortgages

check out this press report
http://www.abnamro.com.au/content/media/articles/319.asp
You will have to decide which is the better lender

This question doesn't make any sense are you refering to cost of water to purchase.
There usually is 1 litre of water in each litre of water.

Most of the cost for water in country regions is the cost of cartage of the water in a truck rather than the actual water
For every litre of water 1kg of weight has to be transported by the truck.

Not sure on price in melbourne but it is fairly cheap out of the tap but as water restrictions are in force it makes it hard to Top up a tank
However empty water tanks cost about $1700 for 2000 litres capacity  at Bunnings unless you want to purchase cheaper water storage in 200 litre plastic drums for $35  or you could ask them about a 1000 litre tanks in Epping Victoria Private message me if  you want the contact details.Also know of a place in South Eastern suburbs that sells plastic drums 200 litre.
I have collected 1200 litres of rain water in Melbourne over three months in my water drums from my carport roof..

may be right for commercial property as its value is linked to yield but as MARC says look in the real estate agents window or pay a valuer as rents on residential properties has lagged behind the growth of property values for the last 12 years and are just starting to increase now. The value of a residential property is determined by what someone will pay to live in a particular area and is usually motivated by human emotions rather than by a formula based on yield. A valuer will look at what other similair properties have sold for in the area to determine a market price.

If you never put up the rent it can be bad also. ! when a long period of time has passed and the rent is below the market rent too much that you have to increase the rent in one hit that the tenant will not be happy about it.

Colonial is a brand name for the Mortgage broker network used by the CBA. CBA took over Colonial but kept the name as Colonial as it was known well by the brokers. The loan products are Commonwealth bank but the branding of the broker network is Colonial.
When you call  you will be talking to a CBA employee who happen to work  for the Mortgage Broking Arm of Commonwealth Bank. It is a bit like buying Fanta and discovering it is owned by Coke a Cola it is just branding a service with a name.
Mortgage brokers would use CBA because CBA has competitive rates of interest and also some clients want to use CBA as they like CBA and most likely the bank branch presence would be attractive to clients.
 

Are you interested in using a rate lock to protect you from the fixed interest rate changing before your loan is approved. Westpac provide this for a fee of 0.15% of loan amount for $300,000 cost is $450.

Are you going to have to pay mortgage insurance.
What Stamp Duty and extra hidden costs (allow about $20,000) fees will you have to pay upfront to SA Government or bank and will westpac let you add it to the loan ?
Are you going to have the premier advantage option which has a higher fee but you get a discount on the interest rate?
Is there a monthly fee of $8 on your loan?

I have a friend who has a loan with members equity and he seems happy with them.
You may need to be in an industry super fund to get a loan, it would be worth checking if this is the case with members equity.
I haven't used this borrower but my friend is on a fixed term so I can't refinance him to another borrower due to the really good interest rate that he fixed his loan at before the interest rates started to increase.

If you can't make the mortgage payments on the other property you lose all x collaterialised properties.
Also this can be the case if all properties are with the same lender.

The postcode restriction is from the mortgage insurer the lender uses and as a loan with a higher LVR figure requires mortgage insurance a postcode restriction may exist.

Check with your university librarian to see if any of their databases access this sort of information for free. Having just looked on RIEV web site it states they collect info and pass it on to the ABS. You should be able to at least access the Australian Bureau of S tatistics web site via your University Library  Database computer system for free. When I was doing my University Degree at Deakin University the Library had access to the ABS statistics but I don't know what your university has access to.
It is getting harder to access information on the internet for free even when you are a student. Your best bet is the library at your university.
http://www.abs.gov.au/Ausstats/[email protected]/e8ae5488b598839cca25682000131612/99e1db0d9f148da0ca256e7c00805a11!OpenDocument
http://www.abs.gov.au/AUSSTATS/[email protected]/7d12b0f6763c78caca257061001cc588/73CA155695D11034CA25723600026C54?opendocument
these links are from the ABS web site under publications you might find the data you are looking for here for free!
just do a search in ABS web site for historic rental prices
over 10 pages of search results