2007 was the year when human population living in urban area surpassed that of living in rural areas. More people living in cities, means more space to live, hence higher real state prices that can crush the spine of students moved in cities to study.
Manufactured housing is looking to solve exactly that problem. They are made in factory at bulk and then installed on site. Because they’re made in massive amounts with exact same interior and design, they are easy to manufacture and take less money to make, hence bringing down the cost.