Averages are supposed to be rather dull and undramatic. After all, they’re just “average.” No one would put a bumper sticker on the family car that says, “My Son is an Average Student at George Washington Elementary School!” But I have one average that will make your head spin like Linda Blair’s in “The Exorcist”: The average rent for a two-bedroom apartment in Los Angeles is $2,550. Now, let’s set that average against another Los Angeles real estate average: The average home value in Los Angeles is $536,000. Losing at the rent game Here’s why I mention those...