The Good Placestar D'Arcy Carden helps John Oliver explain the risks of mobile homes

When post people hear the phrase mobile home, they probably think of trailer parks and RVs.

But, asJohn Oliverexplained on Sundays episode ofLast Week Tonight,the truth is a bit trickier than that.

According to Oliver, around 20 million people or, one in 18 Americans live in mobile homes.

They are one of the last viable forms of affordable housing in the U.S. Just like the one they use at my favorite circus, A Pile of Dead Trapeze Artists.

To get at the mindset of mobile home landlords, Oliver focused on one in particular: Frank Rolfe.

Nice location for the home, huh?

I dont own the land though, and thats actually a super important difference.

Full of blood and plasma to sell for loan payments.

Watch the full clip above.