Husband and Wife :Early 40s (Both Working)

Combine Cash : 1.8M
CPF (OA and SA) :450K
House : Loan 2.4 M, Value 5 M (Paper Profit from properties about 2M after flipping 2 properties to the current one)

Looking to diversify into passive income (Mixture of bonds, fd and trading). Time to let the money work for us instead of the other way round.