New real estate startup promises half-price mortgage rates as home loans climb

Roam is a real-estate startup that connects sellers with prospective buyers.

The startup is trying to popularize a little-known workaround that involves “assumable mortgages” The 30-year mortgage rate hit 7.18% last week , more than twice where it stood two years ago .

Roam takes a 1% fee from a buyer’s closing costs.