Civic minded citizens would gladly donate. Sums large and small, probably a majority $50-100. It would be quite unique to give money to the government and at least know how it will be spent. Once a dollar is appropriated to Congress dollars become fungible and far too often redirected to social causes. Rub the democrats nose in what half the people want, it will become the rallying cry for republicans in 2020–We the People.