Indeed, Trulia points out, renters can save more than $1,000 a month by splitting a two-bedroom apartment in a city like San Francisco rather than going solo in a one-bedroom.

Trulia's Chief Economist Jed Kolko takes a look at national rental trends and the discounts couples get for moving in. Nationally, renting a 2-bedroom apartment is 35% cheaper than two 1-bedroom ...

Trulia Rentals. Trulia has been part of the online apartment hunter ecosystem from the beginning — the company first started showing up in search engine results back in 2005.

The Rent:Buy Ratio is calculated by using the median list price compared with the median rent on two-bedroom apartments, condos and townhomes listed on Trulia.com.