I was not registering what was going on until next day. What can I do?? I felt like I was there against my will. What can I do?

I would find a tax attorney as soon as possible. This forum will not provide you the necessary advice for what will be a very fact intensive issue....

Contract cancellation

You could confirm it in writing if there are any items to be addressed, but it is not necessary. I would generally just send a couple of emails...

Am I obligated to pay that 09/2015 rent even though I don't think the mortgage was paid and no signed rental agreement?

You used the premises so you pay rent. Everything else is irrelevant.

E-commerce Sales Tax

Unfortunately brief advice for sales tax doesn't exists. We would need to know what you sell, how you sell it, where your customers are, and where...

Can I sue for unpaid rent without a written agreement

You can sue. Winning is a different question. You will need substantial proof that there was an agreement between you for rents.

Shouldn't I still be classified as an employee and only required to pay the 1/2 of my taxes and the employer the other?

It really depends which was your proper classification. And that requires review that is not possible on this site. Meet with a labor attorney for...

Does a California corporation need to file changes to share designations with state or just when it wants to issue more shares?

More complex of an issue than appropriate for this forum. Talk to an attorney.

Why do I need a BOND???

There are probably creditors. Talk to your attorney. That is why you hired him or her.

Do schools and Adult schools report the immigration statues of the students to?

Depends on the nature of the circumstances.

They acknowledged the problem and are working on refunding. I'm not sure what else you would want from them. I certainly would not be their...