The main problem is population growth. Even if housing is built specifically for poorer and lower income individuals, middle class families looking for hosuing

The main problem is population growth. Even if housing is built specifically for poorer and lower income individuals, middle class families looking for hosuing will inevitable trickle in causing demand and prices to rise naturally. Once again poor individuals will be on the street. The same cycle keeps occurring in cities across America. Properties designed for the poor end up getting bought by middle and upper class individuals, seen this in Washington D.C. and New york firsthand.