The best structure is the one that supports your strategy and your next purchase, not just your rate today. Interest-only (IO) vs principal and interest (P&I) Interest-only (IO) means repayments cover interest for a set period. Principal and interest (P&I) means repayments cover both interest and principal. In plain terms: IO often supports cash flow and flexibility. P&I reduces the loan balance over time but can reduce cash flow. There is no universal “best”. The right cho