Sallie Whitney had no plans to move from an apartment in a city neighborhood she loves for its walkability and access to transportation. Then came time to renew the lease on her one-bedroom unit in Canton. She was shocked to see her rent jump 15%, by $300 a month. With more retirement income going toward rent, she’ll be forced to consider other options. Rental costs in the U.S. are soaring, helping to drive the overall rate of inflation to 9.1% in June,
