Canberra: An entrepreneurs dream?

Imagine if you were a Company and you had this many people from one city who used your product every week guaranteed:

30,000 people made up of:
12,000 aged 3-18 primary users
5,000 aged 19-90 primary users
13,000 18-90 secondary users..over 50% female.)

Imagine you could guarantee that these customers would stay with you for 20 years.