tanya moaz mr moseley has more. >>> he spends his time at the public library, searching for places toive. rome is homeless, trying to get into a subsidized housing program for three years. >> it's amazing how soon it can happen. >>> not only here but cities across the country. the joint center for housing studies at harvard reports, the number of low income units have gone down. renters making $19,000 a year or less searched from 3 million to nearly 12 million and the number of affordable rental units has held steady at 7 million, almost a third of them are occupied by higher income households. >> when they're out competing for a rental unit with someone who works at amazon who can pay a higher first and last month rent, people in lower soci socioeconomic levels are not the winners of that. >> few months ago her office opened up a waiting list. there were 2,000 slots available. 20,000 people applied. >> when you are looking at the projections for the rental markets, the supply and the demand is pretty flat. so i don't see that we're going to be coming out of this any time soon. >> rep