Would our economy collapse if we took our jobs back from China like Trump is suggesting?

Currently unemployment rate in USA is 4.9 percent. That is the natural rate of unemployment, it cannot go below that without pushing the inflation up.

Now, what if all companies took all their jobs back to USA? We would have excess labor demand, as a consequence we would be hit by hyperinflation. An iPhone would cost like 20k dollars and if we had free trade Samsung Galaxies costing 700 dollars would win for example. All our companies would become noncompetitive and we would lose all jobs. Or other option, we would have to close our borders like North Korea is doing.

Is this what Trump's policies are going to do to USA? Opinion?

Read more: Would our economy collapse if we took our jobs back from China like Trump is suggesting?