Built over 40 apps in IOS store and the founder of Appgevity LLC http://appgevity.com . Currently building platforms and working with numerous clients getting crowdfunding.
I can help you with some shortcuts to help insure a successful crowdfunding project.
I can help with avoiding some of the common pitfalls when first getting started in your app business.
Take a look at the cost of flyers, radio, travel to get them out etc and then compare to Facebook targeted ads ( very cheap), send them to a sales funnel page so that you can keep them engaged in your project.