from Los Angeles Times website:

Jun 1, 2008
Budget Travel in Rome
by Susan Spano

...MORE B&Bs
Aside from such well-known money-saving accommodations as budget hotels and religious houses, bed- and-breakfasts have finally arrived in Rome. There are hundreds of them in every district, priced from about $80 to $240, such as Il Covo, 011-39-06-4815871 (doubles $158), near Via Panisperna in the old Roman slum area, or Subura.

The proliferation of B&Bs started during the Catholic Church's Jubilee in 2000, when there weren't enough beds for the millions of pilgrims expected, and Romans were encouraged to open their homes to visitors. Now the tourism bureau in Rome keeps a long B&B list that can be viewed at www.romaturismo.com. Two bed-and-breakfast agencies worth checking out: Bed and Breakfast Italia, www.bbitalian.it, and Bed and Breakfast Assn. of Rome, www.b-b.rm.it...
Go to this article on Los Angeles Times