Electrical Main Panel

200 amp going in 100A is a Lil shady....imagine, for some reason, everything is running at the same time
Agree, This is a concern. Maybe a guru could weigh in on this. If you have a 200 AMP panel and you feed a 100 AMP sub, is your total load not to exeed 200? or....300? And there is a 60 AMP breaker that feeds the bottom half of the panel.....Why?

EDIT One of the pics is of the empty sub panel
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