Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
How do I give Free Shipping on over $99 & state=Sydney?
Shipping Table Rates extension is nice solution for creating numerous shipping methods using flat and percent-based rates for shipping methods, specifying address, weight, price and quantity parameters for calculation of shipping prices.
And with Shipping Restrictions Extension you can set shipping restrictions based on country, state, product names, brands
order total, weight, address line, zip code, region, etc. (see the images attached)