N-400 application?

Yes, USCIS is accepting applications. However in person appointments have been canceled for the time being.

Is it possible for a 10 year green card to be granted if an app to adjust status is filed months before the 2-yr anniversary?

You can file now as the 10 year should be issued as the date in question is the date the green card is issued. For guidance with such filing,...

No this doesn’t count as public charge benefits for purposes of immigration. For any guidance with your AOS filing, consider consult remotely with...

Can I work prior to receiving I-751 notice but file the form I-751 prior to green card expiration?

Yes you may continue work as your status remains.

No this does not. You may be eligible for a U visa. Best to consult with an attorney for guidance.

Do you think the Approvals for Marriage related Green cards are delayed after the interview was conducted?

Yes naturally due to this pandemic, there will be delays.

Best to consult with your retained counsel.

How long it takes to get permanent green card after applying ?

More information is needed about your case to provide a meaningful answer. Best to consult with an attorney in private setting. Good luck.

Not under DACA or VAWA. U visa may be possible but best to work with an experienced attorney.

If I am a sponsor can I get denied financial aid?

No this should likely not impact your ability to receive financial aid.