Read? Your Investment Portfolio is your Accelerator on the Road to Financial Independence! What next after reaching the edge of financial independence? Everything well done? How about SUSTAINABLE retirement income for life planning?  When we read about retirement planning in the public sources, social media and cyber world, many of them will mention about having an investment portfolio that provide passive income from dividends or/and rental income, adequate or comprehensive insurance coverage, some emergency fund, and other sources of fund e.g. CPF OA, SA, MR, CPF Life, annuities, etc. BUT, when retirees or financial independence folks live long enough, will they have the necessary financial resources or strength to overcome many future years or decades of inflation? So it is beyond financial independence or plain retirement planning; after reaching the edge of financial independence, Uncle8888 begins to realize that there are still some works to be done ......