How so? If I go to New Jersey/France/Mars and buy a candy bar, my home state has no business adding a sales tax. If I write a letter ordering a candy bar delive

How so? If I go to New Jersey/France/Mars and buy a candy bar, my home state has no business adding a sales tax. If I write a letter ordering a candy bar delivered from New Jersey/France/Mars, they have no business adding a sales tax. So why tax an order made online from out-of-state? The state is overreaching it's bounds, and that's why Amazon's letter says it is unconstitutional.