There is no case so you can't subpoena it.

What are the chances I will actually get charged with theft?

100% .. the letter telling you to appear in court means you've been charged with theft.

Avoiding community service is likely with the help of an atty. You have to do an in person alcohol school or DMV won't license you.

My names on the title, but my sister/law was making the payments

You're responsible for the damage the vehicle did to any other vehicle and/or property. If you're on the loan, you're also responsible for the...

Can I sue AMAZON (as a seller of Amazonbasics) for defective product that almost placed our lives in danger?

You can only recover for your damages, not your "dreadful experience". If there is damage to your car, you can sue for them to fix that. You can...

What should I do?

You can either pay him or go though your insurance company. $1000 is about how much it costs.

Possibly.. if the judge ordered you not to consume any drugs, you could get a motion to revoke on your case.

What can I expect as consequences for my actions?

You're looking at a considerable amount of jail time but with the right attorney, jail may be mitigated. Contact an attorney who focuses on DUI asap.

My friend wants to move to WA from VA but she doesn't want to deal with the probation transfer, what could happen if she doesn?

This needs to be addressed to an attorney in VA, not WA. We have no idea what the rules of probation are there.

I owe 5000 in tickets ranging from a DUI to driving on a suspended license. I have no income ?

You can try to declare bankruptcy or speak to a bankruptcy attorney and that may clear some of the fines.