Yes, selling your own plasma is not considered any form of "employment".

Impossible to know at this point. Could be that some negative factor has come to their attention since card was approved. Could just have your case...

No Company B may not utilize the lottery selection of Company A.

All of the first four answers are correct in my opinion. However, should you choose to submit a late extension it will automatically be denied...

No, you shouldn't close asylum claim while pursing EB-3 providing it is a legitimate asylum claim and made in good faith.

You can use retirement SS income to sponsor someone. You can't use is SSI. Unlike SS benefits, SSI benefits are not based on your prior work or a...

I agree no need to file for extension of nonimmigrant status. Assuming the I-485 application is accepted for filing/processing your parent should...

Uless you are a sponsor or co-sponsor of other intending immigrants at his time, you should be OK if you have no other dependents. However, USCIS's...

One option could be to apply for part time EAD, assuming you are suffering a financial hardship based on a recent change of circumstances.

He can if he is coming to the US with a valid immigrant visa.