>>101734129a. do the more generous backers get more control
b. how can you ensure there will be no splinter groups when you take a vote on how to proceed (for example protag chooses love interest d, camps a-b-c-e withdraw funding)?
c.how do you split the profits (if any) without any drama?
d.how will you handle the finances?
if it's that simple, don't you think people would've done so by now? there's more to consider that those listed.
people used to joke about transformers fans crowdfunding devastator wrecking wheelie in the early days of the internet and it never materialized.