The average mortgage rate in the U.S. just hit 7.09%—its highest level in more than two decades. And that's having ripple effects in the wider economy. Some homeowners feel locked in, tethered to their super low interest rates and unable to find something better. Today on the show, what happens when homeowners are locked in by low rates? *For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org). Music by Drop Electric). Find us: TikTok), Instagram), Facebook), Newsletter). *Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)