It seems like Oral b 2000 is back on sale for black Friday.
Not the lowest price but hopefully should be helpful for anyone planning to get this.
If you have not joined Prime (highly unlikely), you can reduce the price even further by $10, bringing it to $55.
Prime Savings $10 off with promo code 10PRIME Prime Savings Get $10 off when you join Prime and spend more than $29 on eligible items shipped and sold by Amazon AU. Discount applies to eligible customers that signed up for Prime during the promotion entry period. Promo ends 23:59 (AEDT) on 31 December 2022. Enter code 10PRIME at checkout.
i paid around $55 for one back in July.