What would happen if we did away with the income tax, sales tax, estate tax, property tax, and all other taxes?
The government could simply finance itself by printing money / inflation. Let’s say the government total expenditures were 5% of GDP each year, then you would simply have 5% inflation.
This would solve all the problems we have with income inequality, worthless heirs of the wealthy hoarding riches, and of very complex and expensive IRS and CPA work.
Everyone would need to invest their money rather than stuff it under a mattress so they could keep it growing rather than allowing inflation to shrink it.