I just went through building a calculator for a client and it literally saved me a full day of work, minus two hours. It made it possible for me to assign work to a team member who is not very skilled in sponsorship concepts. In other words, the time savings it would have given me last year alone are multiples of what I spent on the project, in one year. I will also happily share this with anyone as a reference for your work.

Image by Oleksii Drozdov