2- Between 30 to 40 vertical lines would randomly appear on the monitor. The only way to get rid of them, was to unplug the monitor. 3- While watching movies online, Netflix etc., the monitor would flicker on and off. When I had the first issue with ghosting and blurring in games I contacted Acer Support. They were of no help whatsoever.
https://www.amazon.com/Acer-Predator-Z35P-bmiphz-3440×1440/dp/B06ZZDYVQM