Interesting experiment. How much for a lifetime of free? Additional factors you could play with: 1. Let people name their own price and % discount (0-100) and

Interesting experiment. How much for a lifetime of free? Additional factors you could play with: 1. Let people name their own price and % discount (0-100) and reject or accept their offer. 2. Let those who invested in you contribute to what you build next. Perhaps assign voting share based on $ invested.