The I751 must be filed for the N400 to be processed. Best to consult and work with an attorney for guidance since it is a late filing.

No this shouldn’t present issues for future sponsorship.

Yes you can pay one first as indicated.

Selected as the best answer

It indicates that no hearing has been scheduled.

USCIS does not always acknowledge receipt of RFE response. Contact USCIS to confirm.

There are many options and it is best to consult with an attorney to explore these options.

Contact the office to amend the EAD application.

It may benefit you but you should reach out to USCIS as frequently as you can to inquire.

It doesn’t appear you sent required documents. Consult with an attorney for guidance.

USCIS may not acknowledge receipt of withdrawal.