You might want to find out more about a Tenant before deciding:
www.foolkit.com.au has a great collection of tools to find out more about people using the Internet.It is also useful in tracking down a Tenant who has left but still owes you money.
www.veda.com.au provides credit reference reports online. You can purchase these with a credit card.
connectonline.asic.gov.au/RegistrySearch lets you search ASIC registers for information about companies, company directors, company history and business names for a small fee using a credit card