Just click on used and you'll see all the sellers: https://www.amazon.com/dp/B07FZHHQB8/ref=cm_sw_r_cp_apa_i_RsXzDbRWXE8AX

Except Amazon, they have been having stock and shipping. You can even order today for tomorrow delivery.

Samsung Galaxy Note9 Factory Unlocked Phone with 6.4" Screen and 512GB (U.S. Warranty), Ocean Blue https://www.amazon.com/dp/B07FZHHQB8/