Can I apply for an I-130 and I-485 at the same time if my husband over stayed his visa?

If you cannot afford the fees or the lawyer, then think about not doing it. Because, you have to pay for both and if you do one and not the other...

My I-94 expires in exactly 30 days. Can I still file for an extension?

My friend this is a simple forum for simple question not a kitchen sink. Consult with an immigration lawyer.

Affidavit Support Twice

She can do that so long as her income is sufficient she may sponsore several people

Can I travel on visitors visa to US while I am resetting my cap which I exhausted on L1B, while waiting to travel on new L1A?

I am certain the company has an attorney who handles your L1B. You need to pose these question at him since he knows your situation better.

Was my expedite request accepted?

I am not sure what your question is? Why expedite and on what basis?

You may not switch job or work when your husband the principal H1B holder loses his job.

I 130 took more than a year ( a year and 4 month ) while in removal proceeders ?

Its a good thing you have I-130 approved. Hire a lawyer to help you go through the process. Once your I-485 is properly filed, then your lawyer...

How long will take to get my interview after I get the 1-360 approval?

Visit www.uscis.gov and click on check status of I-485 based on I-360 approval in California. That gives you a hint.

I have 11 months left in my H1 visa. Could I use the new grace period rule and stay for 60 days beyond my 6 yrs limit?

I have answered this question before. Please do not post multiple questions.

Do I need to update my personal information in my pending application at USCIS .

It is not a critical or a game changer information. You may submit the child's birth certificate at interview or may wish to send that info now.