You don’t need to worry so much these days with OLED regarding screen burn as the newer tv’s have more resilience than sets built before 2018.
I have a Panasonic 2019 model 65″ GZ950 OLED since June last year and just clocked over 6000 hrs and no sign of any screenburn. The panasonic does a minor 10 minute screenwash every time it’s on for more than 1-1/2 hrs and every 1000hrs does a major 80 min wash. I watch plenty of BBC24hr news which has static images on and no problem so far. The tv is on from 8am-11pm most days but it has never been used for gaming which is bad for OLEDs.