Whenever I hear someone mention that they have a good idea but no money it reminds me of the idea multiplier equation Ideas are just a multiplier of execution | Derek Sivers
joevortex - Good luck with your project! You are just at the very start of the process and although I can’t help you out it would be awesome if you could keep updating this post with your progress.
rkuchinsky - That is an awesome little PDF and easily applies so much broader than footwear.