Up to 30% off 3D Printers, 3D Printer Filaments: e.g. AD5X $599, Free Delivery from AU @ Flashforge 3D Printer

First of all, I know nothing about 3D printers, I saw this sale in a Facebook ad - clicked through and there appears to be multiple offers going on.
Not as cheap as previous deal https://www.ozbargain.com.au/node/910659

eg: A5DX is listed at AU$699, sale price is AU$649 and PRIME2025 code brings the price to AU$599

Save Extra AUD50 on All Printers | Use code: PRIME2025
20% OFF All Filaments & Accessories | Use code: SAVE20

Also listed at $599 on https://www.ebay.com.au/itm/167575979349