Don't worry too much. Just save on cash and dump CPF into housing, if you have a lot then get a bigger house. Just treat it as CPF was never meant to be your money. If you really have so much as to cause you sleepless nights, denounce your citizenship, draw the money out, and move to any other nice countries that will welcome you with open arms. I know Singapore is your home... but sometimes in life it is easier just to forgo a less important thing (your home) for a more important thing (your millions that is enough to give you a comfortable retirement anywhere in the world)