There are 500+ replies so you can use that to see how folk stand on this one.
I worry a bit about your claim the PC is stressed turning on and off. As a side project at the office we had an embedded PC being turned on and off (more than one unit) over a period of a few years testing that it would boot each time every time and I think we had many hundred thousand power cycles and no sign of the issue you allude to.
Can you supply some data on this? I have.

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