This thread has so much fail. Anybody who doesn't plan for basic failures is doomed to fail.
Do you have a backup Internet link? Do you have self-documented procedures that you can use "in case of emergency"? Does your wife/husband/trading partner know how to do this? Have they tried it out? What do you do if your broker is completely unavailable to contact? Do you have a second/third account you can use to hedge your position until that time? Do you have separate systems you can spin-up in the event of system failure?
PS - Posting to a forum does not constitute a valid backup plan.
While what you said is correct, it has nothing to do with the topic.
You can and should plan for failures but the magic of it is that you can't plan for everything. There will always be something you didn't think of.