I did this once with a msi to exe converter idea (was getting a lot of traffic on a free page I set up). So I set up a form and after 2 months I got a $20 sale.

I did this once with a msi to exe converter idea (was getting a lot of traffic on a free page I set up). So I set up a form and after 2 months I got a $20 sale. So I decided to refund him and not to build it.