. >> esperanza rosales was in tammy's situation not long ago. the home she lost is also now owned by colony american homes. she had eight days to pack up and move 22 years worth of belongings. >> what has been the hardest thing for you since you lost your home and became a renter? >> esperanza and her family now live in a rental home owned by another corporate landlord. >> the new landlords have moved into communities already plagued by housing instability. housing advocates and federal officials agree: we are living through the worst rental affordability crisis in u.s. history. now communities are concerned about wall street rents. we went with esperaza and her daughter to this community meeting in south la. los angeles already has the highest rent to income ratio of any city in the country. >> at the time not only had my mom just lost our house, that we lived in for 22 years, but she also lost her job. >> i didn't know what to look for what to see, because we have never experienced or had to go rent anywhere else. as long as she would get a mo