I found a new work-around to this problem. The problem is there are two PayPal account websites - an older one, and a newer one. Older users such as ourselves have been stuck half-way between the two systems. Newer users (presumably, those who created their accounts after PayPal created the new website) don't have these issues we're having. Simply create a new PayPal account. You'll now be stuck in 'new PayPal website' mode, and you won't ever see the old PayPal website, and you won't get any of the redirect loops. Of course, this means you'll have to set up an entirely new PayPal account, and go through the bank account verification process again, which takes 3-5 days. But I was able to set everything up (except the bank accounts) over the last hour and successfully got into the 'Profile' page on the new PayPal account website, which I needed to get into in order to set up online sales... I have even been able to actually receive a payment from my online store in this same time. Hopefully this work-around will help everyone.
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