You will need a job offer to be able to adjust status

Most RFE(s) are generic and so it is best to have an attorney review your paperwork to guide you

Ensure she also send proof of insurance.

The misrepresentation must be address else the application will be denied again

Ensure you seek immigration benefits on genuine need. Frivolous applications have severe immigration consequences.

3/10 bars apply to overstays. Waiver can be sought

Yes, it will speed up the GC filing process.

Depending on other skillset it might be worth a try. Again, NIW needs more than just degrees

She risks being placed in removal if she overstays.

These are options one can avail depending on pros and cons for each - 1) Work on additional H-1B 2) Work on EAD depending on whether AC21 is an...