reporter: mora and her daughter have 30 days to find a new home. how many properties have you explored? thousands. thousands. reporter: for three years, she s been paying $2,100 a month for this three-bedroom in florida. last month, she got a letter from her landlord. her new rent, $3,200 a month. an attorney for her landlord tells cnn rising property taxes and mortgage rates are to blame. i freaked out. we can t afford it, can t do it. reporter: there s a housing affordability crisis. home prices are sky high, forcing more americans into a competitive rental market. she s reliant on rental assistance from housing and urban development. she already had fewer options, but now landlords looking to capitalize on rising rents are less likely to accept the strict