Tax minimization - Retiree

*Technical question

Please share tax planning/strategies for a retiree (marital status single) turning 66 in 2019 - has not collected CPP yet.

Want to make use of OAS & GIS, if possible.
I don’t believe income level will impact OAS clawback (highly unlikely that income will be $77,580+)

Incomes available: RRSP, TFSA, CPP, & Work Pension (OAS & GIS)

Thanks kindly

I have used the CRA retirement calculator a few times. Seems to give what you’re looking for: