45, makes $138k pa. Expenses responsible for, $98k pa. Saves $40k pa.
Spouse, 42, makes $120k pa. Expenses responsible for, $78k pa. $Saves $42k pa.
Household expenses, $176k pa. Savings, $82k pa.

Expenses include condo mortgage, car loan, food, utilities, chidlren's tuition and expenses, parents' allowances, health and medical insurance, twice a year holidays, car petrol, insurance, road tax, ERP, CBD parking, donations, dining at restaurants, etc.

Net worth (including half the equity value of condo, cash and CPF), $800k.
Spouse's net worth (including half the equity value of condo, cash and CPF), $700k.
Total combined net worth, $1.5m.

Over the next 15 years, we should save $1.23m. Our condo will be fully paid up.
When I reach 60, our combined net worth will be at least $3m.

Our retirement plan (when I reach 60) is to get a smaller two bedroom condo and invest the rest of the cash in dividend stocks which will generate about $80k pa in passive income. When we reach 65, we will get an additional $28.8k pa from CPF Life. So, our total passive income will be $108.8k pa or $9k pm. This excludes contribution from our 3 children.
Our expenses is estimated to be $4k pm or $48k pa.