Australia has an extensive visa list for immigration purposes. It offers six different types of visa based on the felt needs and intentions of the visitor. Though there are different types of visas available, there are subclasses for each catering to the differential present in each class. A Skilled Independent Visa subclass 189 is one among them and comes under the type 'The Visa Sponsor and Skilled visa'.
It is always better to go for online application for it is still accessible. Application charge can be paid electronically, and its status can be checked anytime. I recommend you to contact Immigration Agent Adelaide for legal assistance in case of any trouble regarding visa application. lodges EOI is stored in the skill select for two years, making it possible for necessary updates. In case of visa refusal, the applicant will be notified about the right to review. It should be noted that the application charge is not refundable.