If you are a USC petitioner, the applicable law is unchanged and applied to your facts. USCIS normal adjudication.

The fee would depend on location and complexity of the case.

In general, upon completion of biometrics for a pending reentering permit application, travel abroad may proceed. At reentry, you may be subject to...

In practice, when the underlying petition denied of an application, the associated EAD is revoked as well. The I-485 if concurrently filed may be...

If the H1-B and H4 visas apply to you, answer that question accordingly. You may complete the DS-160 for your kids and may get an application...

I agree with you. It is best to consult with a lawyer ASAP for guidance before filing anything with USCIS.

There is long wait time for most categories of I-485. You may call USCIS Contact Center 800-375-8283. Have your receipt number ready when you call.

You should not travel with an expired I-797. If you do, this amounts to an enormous risk.

The process is technical and complex. It would be wise to retain a lawyer to review your case discuss available options.

By definition, you cannot live abroad and domiciled in the US at the same time. It is recommended you speak to a lawyer for guidance.