Ask at least three local installers for written quotes based on a site assessment, rather than comparing headline prices alone. Check the proposed system size, estimated generation, panel and inverter brands, warranties, installation inclusions, meter or switchboard work, and expected timeline. Confirm the installer holds the relevant state or territory licence and is accredited through Solar Accreditation Australia, particularly if small-scale technology certificates may apply. Rebate eligibility and final savings depend on your circumstances and current rules, so verify these with the installer and official sources such as energy.gov.au.