Originally published on November 3, 2021, by Isabelle Novak for Redfin.com.

The supply of America's most affordable homes for sale jumped a record 13% year over year in the third quarter as mortgage forbearance programs came to an end, prompting many owners of low-cost homes to put their properties on the market, according to a new report from Redfin (redfin.com), the technology-powered real estate brokerage.