My father-in-law did.
He got to take out all his money from CPF, + sale of his HDB, quite
a big lump sum.
He invested in stock mkt & made good returns, enough to survive
for the next 20 yrs.
He got to enjoy life- everyday drink, smoke, go makan with friends,
travelled round the world to US, Europe, Australia etc. When he
died, he still have money left over.