Foldable smartphone cost a lot to make, and thus they are pricey.
The original Z Flip that had an introductory price of $1449 had to drop its price by $250 so that people would be more interested in buying a device that was not so high end but provided a new feature of being able to be folded.
Learning from such an experience, Samsung launched Z Flip 3 (128 GB variant) in August 2021 at a price cap of under a thousand bucks, i.e., $999.
As of now, Samsung has dropped another 100 dollars in correspondence with the Black Friday Sale and you can get the Samsung Galaxy Z Flip 3 for $899.