USPS lost our mail!!! F*cking idiots. It was sent as a priority mail, those fat f*ckers couldn't climb 1 storey, instead left a notice in the mailbox even though we were at home. Now when we went to Post office, they say they can't locate the mail. Called USCIS, since it's not their mistake, they won't do anything and we need to apply for replacement just like a renewal application paying $410 and have to wait 90 days