Is there something I can do or should have done

Yes yes yes. Contact the credit reporting agencies immediately and put a hold on your accounts after you have made a police report for identity...

Is this legal?

If they decide to sell things at the same prices, that is price fixing.

Not really. The notary must be where you are.

Can anyone recommend where should I register my company and get retail license. Since I have my foot in California and a partner

You need to register in California and obtain a local business license in the city in which you live. You can register the business in LLC...

Could online company I signed contract with force me to post my ssn online?

YOu can fax your email number to them on the correct IRS form.

Can I make her sell or refi the car?

SInce you were divorced and there clearly was a division of property and other obligations, your divorce papers should govern.

Can I use the word "amazon" on a promotional graphic, if we are not using their actual logo?

You should easily be able to obtain a license to use Amazon's badges upon request in connection with publishing books on Amazon. I would contact...

What can I do to stop this unbearable harassment from my neighbor.

You must immediately report to the police the death threat to your child and the damage to your property. Report it to your homeowners insurance...

Can I use vidio I take on my website And at trade shows on a DVD showing the decoys working will my product in them ?

Chances are the companies owning the decoys used in your video will grant permission because the video also promotes their products; but you need...

Can I use photos of sports stars and/or sports logos in a frame which would then be a gift to someone and not sold?

It depends on the facts surrounding the provenance of the photos.