If you currently have, or are working to develop, a successful business, speaking not only from my personal experience, but also from the perspective of knowing what to expect in the months and few short years ahead, I cannot urge people strongly enough, to at least establish a beach head somewhere so you have some business and banking infrastructure in place for when the SHTF, and it's coming soon!
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There is so much information on this subject, I'm not going to try to start writing about it. I'd never finish. So let me deal with your questions here and we'll tackle the practical matters one at a time.