The biggest challenge of a crowdfunding activity (or any other capital acquisition) is getting it in front of the "right" people. We've found that using some basic marketing techniques (such as profiling your target audience) is a key to ultimate success.
It's also important to align your "offers" with your target audience so they are compelling and their perceived value is greater than the amount of their contribution.
If you would like to discuss your specific situation, feel free to contact me directly or send me a PM.
Business Growth Masters, LLC -
Capital Catalysts for Entrepreneurs
Home of the Scalable Business Plan
and QuikStart Capital Programs