1) Which one?
2) Please tell me you don't do heavy gaming on that
3) Make sure you shut it off every three or so hours.
1. OLED 65C7V (cool fact, all panels on 2017 LG's are the same, as you move up the range you just pay for the nicer surround - crazy)
2. I don't do heavy gaming full stop.
3. I won't be getting burn in, see 2 above.