Asus Rog Strix G18 Half off, what's the catch?

This laptop is on sale for $1,939, with the original price being $4,499 (I'm assuming it was never that high but I don't know). Is there a catch to this laptop being 56% off or should I buy it?

https://www.amazon.com/ASUS-Strix-Gaming-Laptop-Nebula/dp/B0FPLY1KXN/