Read? Top Up CPF SA From CPF OA? Depending On Who You Ask! (9) Saturday, 19 September 2015 ..... Recently; Uncle8888 has been reading increasing interests in topping up CPF SA. He did once to top CPF SA from his CPF OA and then realized .. oh dear and stopped! One and only once! Probably; the lone voice that is lost in loud CPF SA drummers! For long journey ahead; beware of One Way Traffic as there is NO turning back when you realized you have miscalculated your liquidity needs. Wealth = Asset Value + Cash Flow People top up their CPF SA. You top up? People has plenty of liquidity. You also have? Can anyhow follow? Why Uncle8888 did once to top CPF SA from his CPF OA and then realized .. oh dear and stopped? Uncle8888 realized he is an investor and he has been working hard to become competent  investor and ......