Amend H4COS with new H1B details after extension?

Although filing a new F-1-to-H-4 COS is the most 'secure' way of getting this information to CIS .... it might not be necessary since your current...

You have multiple options: 1. File with the 485 2. File if you get an RFE 3. Bring to interview.

Representation in court for speed ticket ?

This is not an immigration question, I have re-classified it.

LIMIT YOUR TRANSACTIONS .... otherwise it can be deemed a 'side business'.

How much time NVC takes to expedite the case for consular interview?

IF the request is approved, it should take about a month.

When my unemployment period starts, from the day H1B approved or I-94 approved?

I'm assuming that your returned to work IMMEDIATELY after 11/23/20 ... thus you appear to have been unemployed for 15 days.

200+ transactions does NOT LOOK GOOD. You appear to have been running a self-employed business .... which is forbidden when on H-1B. It is too...

You left out a key 'fact' ... the number of months that they were IN the US when they filed for naturalization. Normally, if people spend...

Filing for my wife's green card.Do I need to fill for I-864 affidavit of support?

Yes, you need the form and I recommend the 'normal' I864. QUESTION: You mentioned that she is in MD several times. Is she legally in the US?

Since you were only 'advised', you should be ok .... as long as you don't make frequent, nor lengthy business trips EVEN with a re-entry permit.