A use tax is basically sales tax, and the problem with them is they are regressive by nature (people with less income spend proportionally more of it on taxable

A use tax is basically sales tax, and the problem with them is they are regressive by nature (people with less income spend proportionally more of it on taxable goods). This is basically Gary Johnson's "Fair Tax" proposal, and it ultimately hurts the poor and allows the millionaires to pay less.