A:AnswerThe 3550H will probably not bottleneck the 2060, and you will get good frames for COD MW. Remember, the panel is 120hz, so you cannot detect faster refreshes. Your frames depend on your settings.
A:AnswerIts the mobile version of the RTX 2060. So its rated at 115 watts maximum, but I'm pretty sure it doesn't go all the way to that high of a power state unless its under heavy load or overclocked.
A:AnswerIf you'd like to it'd be nice, but please don't refer to those crash comments as commonplace because they are really just caused by user error. This laptops fan architecture is pretty good. Just keep the vents from being blocked by surrounding objects and it should be fine. If your room is hot, that might not be a good place to use the laptop. The laptop will only work as good as you treat it.