You should be able to return from Canada in H-1B status as long as the H-1B visa foil is still valid in your passport and the new employer's...

Yes, your fiancée may wait outside of her home country, but she most likely will have to appear at the Consulate in her home country for the Fiancé...

Departing the US while a change of status application is pending results in abandonment of the change of status request.

The B-2 visa holder should not be an intending Immigrant, however, it may be possible to adjust status as a derivative on the employment-based...

Yes, an employer may file a PERM Labor Certification on behalf of a person in H-4 status, however, the PERM filing in and of itself does not...

There is no such thing as "cleared." You either have an immigration history or you do not, but nothing just disappears.

Yes, you can submit an I-130 F-4 Petition for your sister at any time.

The derivative employment-based visas may be available sooner than the family-based.

No, the expired passport does not impact your resident status, however, you should renew the passport or seek to Naturalize if you want to travel...

There is no US Immigration requirement that you continue to remain in a job with your sponsor.