and I am not a financial advisor.
So, about $1000/week you want extra _above_ NZ Super (hopefully it still exists). How much do you need to save to get that?
https://supercalcs.co.nz/ris9/mst-kiwisaver/graphs
TLDR: consider doing something
Having an idea of your expenses is key to knowing how much you need to survive for X months without a job etc.
for me, a years expenses in a cash account. It's basically your emergency fund.
Financially Independent Retire Early
also for an NZ slant (and general decent financial stuff - https://www.thehappysaver.com/
https://walletburst.com/tools/coast-fire-calc/
Coast FIRE is when you have enough in your retirement accounts that without any additional contributions, your net worth will grow to support retirement at a traditional retirement age.
note: this calculator gets you to full FIRE at your retirement age, however, you probably don't need that much.
52K = 90K - Super (ish)
And remember, I'm not a financial advisor. Stocks can go up as well as down, and do. You need to be able to sleep...