>Manufacturing can be for goods that you don't find in your house?

>If you look at the German mittelstand there's a lot of businesses that make stuff for some unknown-to-the-public industrial niche.

>I'm guessing the US also has a bunch of those.

And that is exactly why he said "from your house". Home goods lend themselves very, very well to outsourcing because low initial cost is such a key design criteria and they tend to have a density and packaging requirements that make them convenient to ship. If you browse through the McMaster or Grainger catalogs you'll find that a huge number of things (maybe not a majority but likely the largest minority) are made in the US and the rest are made all over the world.