My first attempt at an Amazon Ghost account has me verifying with a utility bill and business licence. It's not a business account, so not sure why they're asking for that. What happens when you say, "I'm not a business. I have no business licence."? Seems like that would be what most people say. Do they just say, "Oh, ok"?
The complete step-by-step guide to get back to selling today!
Individuals can sell. Did you do the tax interview with your SSN or EIN? If SSN, send them your information and tell them that your not a business but a individual selling. If you used an EIN, explain, that to them. They must think you are a busy for some reason.