I suppose I am not the one you asked; still, I have a solution, though it won't happen any time soon.
First, chop the government (Federal, state, and local) down to its proper functions: to protect man from force (including fraud) and violence, and punish same. Proper agencies: legislature, executive, law courts, police, military forces; registration of property (for instance, Bureau of Patents and Copyrights), that it be not stolen; registration of contracts (including marriage contracts), that they be not violated. Abolish just about every other part of government. To fund:
court costs: such as name change, marriage ceremonies requested by the spouses, court costs by losers in suits; also, Ayn Rand's idea of
a percentage of value in contracts paid for at
notarization (not compulsory, but necessary in order to make them enforceable in court); also, a
Law Enforcement Fee, something like the present sales tax, but voluntary; on payment, the store owner could display a government-issued sticker in the window; if he refused to pay, he would not get the sticker; and, if held up and robbed in the store, the police would not come if he called 911. (Nearly everyone goes to the store, so nearly everyone would have a stake in the government). This could take care of local
financing; as to Federal, there could be a rule that every state would have to send a percentage of whatever was in the State coffers
(perhaps 25%), periodically, and so, when a man paid his local LEF, he would know he was also contributing to national defense.
This sort of financing would require abolition of a lot of things first, and is unlikely to occur for many years; still, abolition of public education (except for technical stuff in the military, and police training and academies), could be done on a state-by-state basis; the home-school movement might help.

So much changes with no income taxes to cripple domestic production, the revenues required will be much smaller. But I do think that a tax on consumption of non-essential goods can provide a large part of revenue to support constitutional government services.
Reducing the incentives for spending by con-gress by eliminating all re-elections will have a significant effect on spending, too. "Professional" full-time politicians are not needed to oversee limited government.
Neither is an $800 Billion "national defense."
Neither is interest cost on debt on government excess spending when excess spending is not allowed except in real emergencies.

Hmmm, cages for those who break the law and are unethical thieves.

One thing that scares me is when we show kindness to the people "in need", they become entitled and expect more freebie stuff from the people who gave to them already. Then, when there is some economic downturn, currency collapse, or big time natural or North Korean caused disaster, these same people will riot and take what they "need" and no longer "beg"