I want to restrict a particular shipping method for my USA and Australian customers. If a customer selects any of the defined countries, a specific defined method should be restricted. I want to implement this feature out of the cost saving techniques as one of the shipping carriers I use is charging me a lot in both of these countries. Any suggesstions?
There are a variety of Magento extensions that can help you restrict shipping methods based on the Country. Here are some options that you may want to consider:
Best of luck!