Preparing properly before applying for TPD insurance significantly improves your coverage and future claim prospects. First, understand your financial needs by calculating lost income potential (annual income multiplied by years to retirement), existing debts and mortgages, ongoing living expenses, potential medical and care costs, and educational costs for children. Review all existing coverage including default super TPD, employer group insurance, and any standalone policies to avoid duplication or identify gaps. Obtain recent medical records to understand what you'll need to disclose - failing to disclose conditions you're aware of will void your policy, but disclosing them allows proper assessment. Consider Own Occupation versus Any Occupation definitions - if you can afford it and purchase outside super, Own Occupation provides far better protection. Choose between stepped and level premiums based on your age and how long you plan to maintain coverage. Prepare detailed health information including all past medical conditions, treatments, surgeries, medications, and family medical history. Be completely honest on applications - non-disclosure is the leading cause of claim rejection. Consider using an insurance broker who can compare multiple insurers, explain policy differences, and help structure appropriate coverage. Time your application strategically - apply while you're healthy as developing conditions after applying won't void existing coverage. Read Product Disclosure Statements carefully to understand exclusions, waiting periods, and claim requirements. Consider tax implications of inside versus outside super placement.