Managing the people’s life savings

HDB prices are affordable based how the ability of the buyers to pay.
Now the affordability is a couple’s monthly CPF contributions for the
next 25 years. This means that whatever that goes into the CPF will go
out the other way, to pay for the affordable HDB flat. The couple would
likely to start to save a little 5 or 10 years after buying a flat when
their incomes rise. How much savings