So issue with my family is that they do have funds kept in bank accounts and/or fixed deposits.
Figured I'll help them optimise a bit more.
I finally managed to get some of my family members to open CDP accounts for Singapore Savings Bonds (after months of nagging and prodding), fortunately, seems like Temasek wished to grow the retail bond market like how it did with REITs and is issuing bonds.
To me, basically we got a few things to look at when taking liquid cash out from bank accounts as these could be related to some form of spending. So I listed these categories to them: