Just a question!

I have a question for experienced friends, a difficult case; Now I have a reseller account that I opened via VPS with my company mail.

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I authorized my own gmail address from the company account.

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And I have admin access to multiple accounts via the same gmail address, high-selling accounts, and generally if something goes wrong with each account, do I put the others at risk?

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I cannot get authorization with my gmail address for European access, amazon does not accept my gmail address, how can I solve this situation.