You will have to look into immigrant visa processing. keep in mind that you have overstayed. That might not be the end of yoru process but it is an...

Will I be out of status past 9/30/15 if new H1B petition for changed location does not get filed before 9/30?

No, it wil be fine if they do not withdraw anything. Talk to the employer's attorney.

Any hassle or questions entering the USA with a new immigrant visa after prior abandonment of permanent residence?

I would not be very concerned about the secondary inspection. You situation is very ordinary.

I want to make sure my green card gets mailed to the correct address. Please assist.

You did all you could. You filed the change of address. You can also give them a call.

What's the proper way to apply for a petition of getting a fiance visa?

She can contct uscis online and download the fiancee visa form and isntructions. Follow the instructions.

Will my company have to file a new labor right from scratch if preference cat changes from Eb3 to Eb2 in same company?

Yes since the labor conditions would change.

Permanent Resident (Green card Holder) Leaving US for 10-11 months every year and its effect on Green Card.

This is a really bad idea. Get the reentry permit.

How long does one need to remain in the USA upon receiving a green card?

It used to be that once he arrived in the USA, he needed to get a I551 stamp in the passport to return. Now the porcess is more simplified. Once he...

I am currently awaiting approval of my I-485(marriage based). Can I use my Advance Parole to travel to Canada?

If the need is so urgent you should be able to go with the Advance Parole.

Should I expect denial if my T.P.S.& E.A.D.applications reached step 5 of U.S.C.I.S. work If I am physically fit for work

No, you should since TPS does not have step 5. It only has two steps, filing and adjudication.