Do i have to pay back the ins co for a check they gave me in error?

You can not keep what you are not entitled to.

Can i sue my insurance agent for not putting insurance i paid for on the right car and it getting impounded , he dropped me afte

Retain a local insurance attorney - hopefully you can document your agent's actions.

19 year old male, designated driver for friends. Police arrested all at party. No miranda, questioned without lawyer.

If facts are as presented seems there are defenses to this case. Immediately consult a local criminal attorney - many offer free consultations.

Should I get a lawyer for vandalism towards my vehicle? Do I have enough evidence?

Why not just report it to the police department?

What if injured with a back injury and after returning you can't do that job ?

Sounds like you have a fairly serious injury - immediately consult a local TN workers compensation attorney

Yes - if you are sued immediately forward the Complaint to your insurance company.

Personal injury, can I be sued for the actions of another person?

Contact your homeowners insurance. They are probably claiming he was your agent - maybe you didn't check his background before hiring him etc etc...

Can I still be liable?

There is an old saying "let sleeping dogs lie"

I was in an accident and the car was paid for but my dr bills are in collections and the insurance company is offering to pay

Consult a local personal; injury attorney - don't settle without doing so. To answer your question - they should pay you unless they are on notice...

Can iI have a health insurance or at least a discounted price?

Check with local insurance agents