Yes, you can hold two H-1B visas at the same time.

Yes, you may apply for a visitor's visa.

Yes, you can donate plasma on an F-1 visa. You are neither employed nor providing a "service" within the meaning of employment.

I agree with Attorney Behar. You can submit a sworn affidavit from your mother stating that she had legal custody of you before you turned 18. I...

Yes, you can apply for an I-131 Advance Parole card now. In your application, be sure to provide a copy of the I-797, Notice of Action for your...

Your B-2 will start from the day your visa is approved. You will be issued a new I-94.

Yes, she can return home by bus. Just make sure that her exit is recorded at the border.

You should not worry at this point. USCIS is severely backlogged and it appears that the file was delayed in getting to the reviewing officer. If...

No, changing your address within the same MSA should not delay your green card application. Use this form to change your address;...

If you are traveling within the US, you will not be asked the purpose of your trip. You will also not encounter any border officials.