Mr President, Sell the USPS to private investors. The real estate alone will bring in billions to balance the budget. Of course, exclude UPS, FEDEX, Amazon from buying the USPS. Also exclude DHL and any foreigner from buying it.
There will be plenty lining up to buy it.
Oh, and no subsidy to those who like the upside of where they choose to live but do not want to accept the downside of their choices.
This single move is the best Amazon play.
You would have to amend the constitution in order to disband the Postal Service. The Postal Service is actually constitutionally mandated