These are complicated questions, and your sister needs the advice and assistance of a lawyer. Filing pro se is a terrible idea.

What to do next

It sounds like this is not service, but a request that you waive service. See a lawyer to go over your options. It may make sense to just...

What Mr Oakley said. Maryland does require restricted delivery for certified mail service, if that's what this is. But it's also common to get...

What kind of financial situation to file for bankruptcy ?

To correct Mr Shuster, you need to have lived in the state (or had other certain connections) for the largest part of 180 days, and July-November...

Can I put central collection unit in my bankruptcy chapter 13

Yes. They are dischargeable in a 13 (not a 7), and the MVA will renew your license (absent other issues) upon proof of filing.

Where can I get a lawyer who won't charge a lot for someone whose sueing me of a car accident that happened last year?

That's what you have insurance for.

Filling chapter 7 to discharge 70K debts . Please advice?

See a bankruptcy lawyer. Don't try to file on your own. Filing bankruptcy will not affect your immigration status.

The trustee on a chapter 13 who I have paid faithfully each month has filed a garnishment against me. How do I get her removed?

Once your plan is confirmed, typically the trustee has the court enter a wage order so that your employer pays your plan payment directly. This is...

What are the chances of being foreclosed on?

As long as you are current, they can't foreclose. Reaffirmation is irrelevant with regard to foreclosure on mortgages. But try to pay on time to...

Can I sue? I bought a house in Virginia from two men. They did not disclose that one of them was married at the time.

You don't need the spouse to sign. There is no cloud on title as long as the spouse was not actually on title. Dower and curtesy in VA were...