300k LIR-arb: end2end int tally

— end-to-end interest netting .. To confirm, I would need an accounting System to keep track of my IR income since 1 May 2022. May take a lot of legwork, but possibly recreational.

  • I guess CPF int is possible to estimate. Need to tabulate the monthly balances. Ask CPF hotline whether it exists.
  • BOC int is tractable
  • DBSMP monthly int is easy
  • SSB int is easier
  • tbill (held to maturity) is easiest.

— During the crunch time of 20 Sep – end of Oct, boy had exams, Quark expectation was growing,,, the cashflow front was a well-planned execution, a source of joy, satisfaction,

  • — During 20 – 22 Sep, I did well:
  • was not too fast (esp. FD slicing) leading to stress
  • was not too slow. Enlisted wife… Important to get most of the transfers done within one “hot window” rather than dragging over multiple days
  • kept a focus to earmark 300k
  • kept a focus to keep wife’s 13k liquid