Bought HDB flat many years ago for $100k. Now paid up.
50, $68k pa. Spouse, 52, $70k pa.
Son in JC.
Cash and CPF, combined, $400k.
We plan to retire when we reach 65.
Will get the CPF Life, $1200 pm each.
Will rent out two of our rooms to FTs at $1000 pm.
Sons' contributions, $1000 pm
Total passive income, $5400 pm.
Spendings, $3000 pm for food, utilities and transport.

Our retirement trategy:
1. Buy cheap HDB flat and pay off loan as fast as possible.
2. Rent out rooms to FTs.
3. Have children so that they can contribute monthly allowance.
4. Meet CPF minimum sum so we can get CPF Life money.