All the better! Some laws and regulations may be superior to other laws and regulations. Free trade means, I, as a consumer, get to choose which are best!
Nations have borders, and nations have national economies. International trade is negotiated between to separate and different economies, two separate and different nations.
States have borders, and states have state-wide economies. Interstate trade is required to be free by the Constitution, no steenkin' negotiation required.
Texas's laws and regulations may be superior to those of Marxichusetts, for example. That may mean my neighbor's job will be lost to a Texas company. But I don't care. To me, it just means more cheap stuff is available. Which is a Good Thing.
Subject to our Customs laws and regulations. And if you are bringing in or importing "stuff" above the commercial thresholds, then the "stuff" becomes subject to our laws and rules of international commerce.
States have borders, and states have state-wide economies. Interstate trade is required to be free by the Constitution, no steenkin' negotiation required.
That particular inter-state trade thingee was negotiated during the Constitutional Convention.
This is the USA. If you want to be a global citizen, just hitch a ride to Kenya with the outgoing "global citizen" and the wookie.
Your neighbor's job??? Apparently you don't have a job...And as you state, you don't care who loses their job as long as it benefits you...You are why we elected Trump...