Ebay offers Apple iPhone 15 256GB Unlocked 6.1" for $386.37 (reg. $899) with free shipping. 

Product Description:
This iPhone has been professionally refurbished. It has been inspected, cleaned and is in good condition. It will show noticeable signs of use including moderate scratching and/or scuffs/dings/dents on the screen and/or exterior of the device. Any cosmetic imperfections are purely aesthetic and do not affect the functionality or performance of the device.