Sorry but your post makes no sense. You may wish to try again.

Absolutely but more information would be needed about your age, education, past work history and current work status. I suggest you that you have...

Hire a lawyer and speak ONLY with them. Post nothing further on public websites.

I strongly encourage your mother to consult with a local estate planning attorney to ensure that this is done correctly.

Read the contract and obtain an amortization schedule. An interest only note is just that.

You should immediately reach out to a local workers compensation attorney for a detailed conversation.

And? Were you harmed in some way? You have no viable legal claims.

You should hire a defense attorney if you can afford to do so and stop posting admissions on a public website.

Yes you can use a PO box to receive mail from the SSA. Make sure to check it frequently for any notices they may send.

The age of majority in Ohio is 18. https://codes.ohio.gov/ohio-revised-code/section-3109.01