Many sourcing and vendor management (SVM) professionals see the problems with their firm's current approach to dealing with the major software providers, but lack the authority to transform it. This report will explain how to build a business case for change, based on the four elements of Forrester's Total Economic Impact™ (TEI) method of financial evaluation. Better sourcing isn't only about cost — indeed, in the short term you may pay higher prices. The report shows how in return you can get more flexibility and less risk, which will in turn lead to better project outcomes, and lower costs over time.