The 3 biggest challenges US homeowners and renters are facing right now

US houses are sitting vacant while many Americans can't afford to move. Grace Cary/Getty Images Harvard researchers released their annual housing market report in June. Rising vacancies and steep cost of living were headlines for both renters and buyers. Local governments are brainstorming ways to make housing more affordable. America's homebuyers are staying put. As home prices and the cost of essentials climb across the country, households are struggling to keep up — and increasingly look...