Raising tariffs in order to prevent a store from locating in your neighborhood certainly is not constitutional.
No, not for that sole reason alone, but the governemnt is supposed to be funded via tariffs not an income tax.
And the Tariff level would have to be raised by congress.
Beats using eminent domain to prevent a private corp from doing what they want to with a piece of land they own.
Income taxes are not unconstitutional.
16th Amendment. One of the last times an unconstitutional practice was made to be constitutional by amending the Constitution, the way it was supposed to be done.
This was before statists figured out they could just ignored the Constitution.