Yes, a petitioner needs to complete I-864 for each family member.

Much would have to do with criminal law statute in NY.

Yes, an L!B can open an LLC for wholesaling but not operating/ actively involved.

A properly and tamely response RFE is required for USCIS to proceed with normal adjudication.

Yes, an applicant can reapply for a visa after 5 years have expired.

Simultaneously implies applicant and spouse are filing at same time. Answer "YES"

Start with i-130A, I-130, I-131, I-485, Form 765, Form 864, I-693, Form 1040. Follow up with an immigration attorney for completeness, guidance,...

This possible but work with a lawyer. Good luck.

Inform your employer to update I-9 to effect LPR status.

You have an option to wait until naturalization to decide about names. This position is recommended.