All four of those manufacturers have different grades of equipment from high end, mid grade, to budget. 

What that means in practice is that most (if not all) of the box is from 3rd parties that any manufacturer can buy from.

The structural job market changes are the one that worried me the most, even company like Microsoft is actually having declines receivables.Main Street would see the impact later on if and if there is pivot.very sector specific. housing to a degree, manufacturing at inflection point, logistics in garbage. the top 7 of stocks is why s&p up, bottom 493 are flattish +/- up or down.

Natural Resources, repatriation in manufacturing, and the next age of Tech.. 

I had a 33 year career in semiconductor manufacturing in Austin and started putting 17% of my salary into a brand new thing called a 401K when I was 21.

These affordable manufactured homes also increase with the overall market. 

What if the detectors didn't work due to a manufacturer defect and not lapse in replacing batteries?

I found a "turnkey" mobile home provider that owns the park, and will sell a brand new manufactured double wide home to me for $100k.

Manufactured housing is wildly antiquated, because of this factor several companies have re-invision and invigorate the engineering of such to wild success.

I think it was just the way the manufacturer described it.