Create a National Lottery for U.S. citizens only, similar to Spain's Christmas Lottery.
As measured by the total prize payout, the Spanish Christmas Lottery is considered the biggest lottery worldwide. In 2012, if all of the tickets were sold, the total amount payout of prizes was worth $3.36 billion (70% of ticket sales). [Google "Spanish Christmas Lottery" for complete information on all prize awards and payment structures for winning numbers]
The 30% of revenue retained by the government should be designated only for education or social security and may not be "borrowed" by the government for any other purpose.