51, 52, live in a 4 room hdb flat, now worth $500k, paid up. $80k pa combined salaries.
cash and cpf, $300k.

when we reach 65, we will get $1500 per month each from cpf life.
when we reach 60, we will sell our 4 room flat and buy the hdb studio flat for the elderly.
will use the cash balance for retirement, will spend $1500 per month from the cash.
so, in total we will have $4500 to spend for our retirement.