BUT, the shingle manufacturer requires a nailable surface, which a rotted wood board is not, so they are required to pay for it under that.

At the end of seven years, the interest and principal is paid back and I have effectively manufactured $60,000+ in cash. 

I agree that tariffs can be justified against certain countries like china on specific products where their govt is clearly subsidizing the manufacture of those goods and dumping the products to try to run the competition into the ground.That being said. 

.- In the past five years, Mobile has experienced a 33% increase in manufacturing jobs compared with about 8% nationally.- McGowin Park developed a huge retail space in 2015 which consists of: 199,500- square-foot retail shopping center containing a future expansion area, five restaurant "pads" and 4.5 acres of outparcel development, and the west development consists of a 148,000-square-foot anchor store with an associated gas station, an 89,600-square-foot shopping center and 7.41 acres of outparcel area.

As a Contractor myself, on my New Constructions I use Lawson windows and I NEVER had a problem with these windows that involves quality, I’ve had problems with the other manufacturers that were mentioned above.

What brand/manufacturer do investors typically prefer for new manufactured homes? 

I'm a Radiographer In military manufacturing and put together a budget so within a couple of years I want to take the jump into owning a property and renting it out.

There is positive population growth, tech and manufacturing (Tesla, Google, Apple) moving to the area, and low property taxes.

Washington was the operating partner, with the land being developed for small farms, houses, grain silos, tanneries, barrel manufacturing facilities, churches, stores, etc. 

Also, you may want to talk to your local manufactured housing association.