Can I sue for plagiarism, and blackmail?

You should look into a design patent.

Is it legal for an adult living with a teenage son (13 yr old) in the same room in a rental home?

If the room has a door and a window, it's legal.

We filed for a summary dissolution (FL-810) then we reconciled and filed the FL-830, but now want to file for a divorce again...

File Summary again if ypu still meet the criteria.

Can I get my car back? I sold my car and the person never paid in full for it then turned around and sold it herself.

If you have title and keys, the car belongs to you.

Can a daycare provider sue for child care costs?

You will probably owe for 30 days service, whether you use them or not. Yes, she can sue you.

What recourse do I have if my ex partner had my signature forged on an insurance check made out to both of us

...and you could report the forgery/theft to the police.

My condos are telling me that even though I have therapy papers for my dog if he is on the breed restriction list they can refus

Tell the HOA that he is not a dog, and not a pet. He is like a wheelchair.

Where can I sue the company if I live in a different place?

I would say Miami.

I recently chipped a tooth on a seed pit that come out of a sand which I had bought at Quiznos. How do I get medical bills paid

Did you report it at the time? Do you still have the seed pit and the broken tooth bit? Do you have dentist bills to show?

Credit card charge backs are usually limited to charges made within the previous 60 days.