I share Counselor Smith’s recommendation….just go around her vindictive efforts and contact the DOL for a duplicate W-2.

A currently valid passport is required for your international travel...

Yes, you may invest in the stock market.

Agree with Attorney Smith’s response... passport usually follows birth certificate. You should check with your country’s nearest consular post and...

You should receive a separate I-797 receipt for the I-485 as well in due course. Sometimes in filing concurrent petition submissions there is...

Yes, a friend who is competent in both languages may produce the translation and sign the proper certification attestation.

Yes. A properly issued and currently valid government issued document which clearly identifies the individual should be sufficient.

Yes, a Lawful Permanent Resident may form an LLC. Check your State Secretary of State’s website for the applicable steps required to do so.

Not a problem... the transaction with your brother has no bearing/effect on your H-1B visa status.

If you timely filed the I-539 Extension request prior to their respective H-4 expiration dates they are authorized to remain legally in the US...