Taxes, efficiency and financial optimisation involve structuring financial decisions to minimise unnecessary liabilities while remaining fully compliant with applicable rules. Understanding how tax-advantaged accounts, investment structures and timing decisions affect overall tax exposure allows individuals to retain more of their income and wealth over time. Financial optimisation extends beyond taxes alone, encompassing broader efficiency in how resources are allocated across saving, investing and spending. These principles apply across income levels, though their complexity often increases with wealth and financial sophistication. This section covers the fundamentals of tax planning and financial optimisation as components of long-term wealth management.