But it's not just states. In California (and I guess many other places) towns in the same country can have different tax rates. Sure price stickers is not an unsolvable issue but advertising prices including tax publicaclly would be almost impossible.

> everything is owned by like one company right now anyway so they already have systems in place to deal with differing tax rules in different states.

Yeah I agree it would generally be a much higher burden for small businesses than for Amazon.