Fortunately, my parent is still in good health. Every day is a good new day. RSS will force in monthly $3000 payout which she does not need to have that much sum to spend at current state. We might plow partially received sum back into her RA to prolong her RSS payout date further, hopefully can stretch the payout beyond her 90. Under RSS, CPF RA balance is transparent updated and belong to the cpf holder too.
RSS vs CPF Life, which to choose?
Those who are normally "greedy" and "fear" of living beyond 95, would suggest you choose CPF Life so you can live on other people's CPF Life interest in the pool. But you need to pay the cost of insurance to do that. If you choose Basic CPF Life Plan, the cost of insurance is the compound interest of 10-20% of RA as premium in the pool from date of joining (ie 4% per annum). Assuming she joins with 166k, 20% is 33.2k @4% compounded.
That is not the end since she plan to "reinvest" her payout of 3k back into RA as CPF will continue to deduct 10-20% of all amounts topped up into RA as premium. ie her cost of insurance will continue to "increase".
RSS - since she plan to reinvest her payout back into RA, she will continue to earn more interest in RA to support her for the rest of her life. No need to pay any cost of insurance if she live longer or die earlier. If her children are willing to support her for the rest of her life, then there is no concern of her RA running out. There is also a possibility she can invest her payout elsewhere if she can get more than 4%, like the current interest rate environment ( some savings account pay more than 4%, some endowment products pay 4%, etc)
Death? Health is not the only factor which determines longevity as there are many causes of death you need to consider too. For eg Creative CEO died suddenly in his sleep?
Bequest? To me, it is not about bequest, it is about cost of insurance you are willing to pay to bet on free monies to live for the rest of your life if you live beyond 95. RSS will payout till 95.
You have a choice to use her RA as investment vehicle if she is under RSS, not many people have this luxury to enjoy! (not until the interest rate became so attractive recently, but how long can it last?)
Some factors for your consideration.