The financial benefits of cohabitation are playing a role in how people are living in the US.

About two-thirds of people who have moved in with their romantic partner say finances and logistics contributed to their decision, and the share is even higher for younger couples.  

And while the decision can help one’s pocketbook, four in 10 of those that moved with a romantic partner later regretted the decision, according to a survey of more than 3,000 consumers conducted by HarrisX, a polling firm for Realtor.com.

“The idea of splitting the rent or mortgage can be very attractive,” said Clare Trapasso with Realtor.com. “It can also magnify potential issues in a relationship.”