Employer withdrew H1B; Employer will withdraw I-140 sometime soon; Best Option?

As my colleagues indicated, contact an immigration attorney for private consultation and guidance.

Can I send renewed passport to USCIS after filing my H1B application with old passport?

USCIS may in error approve the extension without evidence of a valid passport. Speak with the immigration attorney that prepared the filing filing...

Immigration

You should anticipate a determination within 3 to 5 months after filing

Yes you may proceed except you are now in the fourth preference and not the first preference for family based migration. Your priority date may be...

How can I gain US residency?

In addition to employment are family and investment. Discuss with an immigration attorney is the best way to proceed..

F2 to F1 COS and GC Process?

There should be no adverse impact as long as you both maintain status

H1B on RFE and OPt extension application reached 1 day after EAD expiry but on Capgap Extension

The response to the RFE should be from your employer and the employer's attorney in behalf of the employer. As to apply on CApgap extension you...

Can a green card holder come back to the USA with no problems after staying overseas for over 6 months?

If over 1 year there is a normally a loss of residence. Over six months less than a year they are an applicant for admission.

Can I apply for jobs while I-485 is pendjing?

You may apply but are not authorized to be employed without authorization from USCIS

Please help concerning I-751?

Normally the I-551 is extended by the notice for one year. Talk with your attorney