The objective of this 2005 study was to develop a framework for the cost benefit analysis of two programs of Canada Mortgage and Housing Corporation, including all effects on applicants, their caregivers and their community. The two programs are the Home Adaptations for Seniors Independence Program (HASI) and Residential Rehabilitation Assistance Program for Persons with Disability (RRAP-D). This paper includes cases studies and lessons learned in developing two methods for measuring cost-benefits. Their website might provide information on any updates to this study. The author is Luis Rodriguez and the paper was presented at the Festival of International Conferences on Caregiving, Disability, Aging and Technology (FICCDAT) in Toronto, Canada.