I'd get the local TV / Newspaper 'investigator' involved with the PO. Unless you've personally hacked off your carrier, others have to be having the same problem. I think tampering with mail delivery is still a felony. Prime is certainly worth it for us. My latest order was last Friday evening - it arrived USPS on Sunday Morning around 9am. Most everything is USPS, but occasionally it's Laser(something) or an unmarked car. Still within 2 days or less.