Compare your shortlist
Add the HDB flats and condos you are actually considering, with the asking price you were quoted. Each is checked against real recorded sales in that same block or project, adjusted for floor, plus what the tenure does to your CPF and your future exit.
Add a property
Buyer age drives the CPF lease analysis. Household size is checked against the unit's floor area, and carries through to the move planner — a family of four has moving constraints a couple does not.
Optional. Without it you still get the full ranking. With it, each property is also scored on what it would cost you to complete and to hold — including how much of your CPF the lease actually lets you use.