I just know that unlocking a pixel voids the warranty

And how do you “just know” that? Any sources? Everything I’ve read and even done with my Pixel says otherwise, though I do return to stock and relock before returning.

https://support.google.com/pixelphone/thread/94497368/will-unlocking-bootloader-custom-rom-void-my-pixel-warranty

https://android.gadgethacks.com/news/psa-unlocking-your-pixels-bootloader-does-not-void-your-warranty-0175739/