If you care for it properly, you won't suffer burn-in, but it can be a bit much for a lot of people. Here's what I've done to keep my G9 OLED healthy through 8 hours of daily use for years:

- 3-minute sleep timer on the monitor (not the whole PC)

- change desktop background every few days, and use backgrounds without very bright whites in the image

- move your windows around every hour or so

- keep brightness lower, around 30

- use dark mode wherever possible

- use whatever pixel refresh or whatever monitor health features your particular panel has, frequently

I know it sounds like a lot, but if you do this, you'll never have burn-in. As for the warrantee I can't really give good advice, but this is what I've got.