If you are not in legal status, then the only way you can get a visa without leaving the U.S. is if someone applied for you, or your parent,...

Yes, you can file for a replacement green card if you lose your card. Or if it expires, or if you turn 14 and need to renew it. Maybe she is a...

Sure, but USCIS will deny the I-140 for lack of ability to pay you the required wages, so there is no chance of approval.

If you were lawfully admitted to the U.S. you should be able to apply again for adjustment based on the marriage, but there may be problems in the...

Check your local bar associate for free legal services. Many places have pro bono clinics and organizations where you can try to get free help.

Perhaps you could ask a specific legal question rather than a general question about what precautions to take.

You can choose to have your address in care of your lawyer's office. If you have no physical address, you can mark in care of your lawyer's address.

USCIS will terminate it once they check and see you are a conditional permanent resident. That is their policy.

It is highly not recommended for them to travel without any passport at all. I suggest to get congressional help to get the passports expedited.

Your spouse can file a petition for alien relative on your behalf and you can file concurrently an application for adjustment of status.