I have extensively researched on the software products relating to the PC maintenance category. What I have found is that you can cover the cost associated with

I have extensively researched on the software products relating to the PC maintenance category. What I have found is that you can cover the cost associated with non-paying customers through advertising,etc. For instance, Trial Pay is used by many software vendors to let customers pay for essential things and get software for 'free'. There are other advertising models which can be adopted. Yet for our product, RegInOut, http://www.reginout.com http://www.reginout.com , we have not yet tries these freemium model yet.