Here's a fact: Not a single American working full-time for minimum wage can afford to buy a one-bedroom home. For many, mobile homes offer a way to break into homeownership. But owning a mobile home is risky, because these communities are virtually invisible and have few rights. Sociologist Esther Sullivan lists the reasons why mobile homeownership is so insecure, and discusses ways to preserve one of America's best options for affordable housing.

Esther Sullivan: America's most invisible communities -- mobile home parks

America's most invisible communities -- mobile home parks

In every U.S. state, full-time minimum wage earners can't afford rent for a fair-market, one-bedroom home, revealing a stark housing crisis.

Mobile homes emerge as a beacon of affordability amidst the U.S.'s severe housing crisis, housing millions cost-effectively.

Invisible yet vulnerable, mobile home parks face extinction from redevelopment, displacing communities with scarce alternatives.